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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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. *Polyborus plancus plancus (Miller, 1777). [? CD 1456]. Z. pp. 9-12: Polyborus brasiliensis Swains. Loc.: Argentina: [? Bahia Blanca]: plains of Santa Cruz. July-August 1833. Material: skin/mount. Status: missing. *Milvago chimango chimango (Vieillot, 1816). CD 1294 [on label accidentally 1204D]. Z. pp. 14-15: Milvago chimango [Vieill.]. Loc.: Uruguay: Maldonado. May 1833. Material: ex mount, ad. Status: BMNH unregistered specimen. Cat. I: 42: c. 1 Authorship here given as Darwin and Gray, 1838, on
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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*Anas georgica spinicauda Vieillot, 1816. [CD 1454]. Z. p. 135: Dafila urophasianus Eyton. Loc.: Argentina: Bahia Blanca. 1833. Remark: Cat. (Salvadori 1895: 282) listed D. urophasianus under P. bahamensis, which does not fit with the locality of the specimen. Therefore it is more likely that the taxon of Z. is Anas spinicauda. Material: skin/mount. Status: missing. *Anas bahamensis galapagensis (Ridgway, 1889). [CD 3299]. Z. p. 135: Paecilonitta bahamensis Eyton. Loc.: Ecuador: Gal pagos
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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[Lear]. Loc.: Argentina: Bahia Blanca. September 1832. Material: skin/mount. Status: missing. *Myiopsitta monachus monachus (Boddaert, 1783). [CD 1219]. Z. p. 112: Conurus murinus Kuhl. Loc.: Uruguay: Maldonado: grassy plains. May - June 1833. Ex.coll. ZSL via Darwin. Material: ex mount, ad. Status: BMNH unregistered specimen. Cat. XX: 233: i. CUCULIDAE: *Crotophaga ani Linnaeus, 1758. [CD 455]. Z. p. 114: Crotophaga ani Linn. Loc.: Brazil: Rio de Janeiro. May 1832. Material: skin/mount. Status
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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*Tapera naevia chochi (Vieillot, 1817). [? CD No. between 412-446, number not in Barlow 1963 and Keynes 2000]. Z. p. 114: Diplopterus naevius Boie. Loc.: Brazil: Rio de Janeiro. April 1832. Material: skin/mount. Status: Not yet looked for by author. TYTONIDAE: *Tyto alba tuidara (J. E. Gray, 1829). CD 1446. Z. p. 34: Strix flammea Linn. Loc.: Argentina: Bahia Blanca. 1833. Ex.coll. ZSL via Darwin. Material: ex mount, ad. Status: BMNH 1841.1.18.16. Cat. II: 302: l . *Tyto alba punctatissima (G
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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flavogularis (Gould, 1839). [? CD 751/828]. Z. p. 78: Synallaxis flavogularis Gould. Syntype Synallaxis flavogularis Gould, 1839 [pl. XXIV]. Loc.: Argentina: Bahia Blanca. September October 1832. Material: skin/mount. Status: missing. *Asthenes humicola humicola (Kittlitz, 1830). [? CD 2191]. Z. p. 75: Synallaxis humicola Kittl. Loc.: Chile: neighbourhood of Valparaso. August-September 1834. Material: skin/mount, female. Status: missing. *Asthenes humicola humicola (Kittlitz, 1830). [? CD 2192]. Z. p
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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: Anthus correndera Vieill. Loc.: Uruguay: Maldonado. 1833. Ex.coll. ZSL. Material: ex mount, ad. Status: BMNH 1855.12.19.131. Cat. X: 610: q. TROGLODYTIDAE: *Cistothorus platensis platensis (Latham, 1790). CD 1444 [as 1443 on label]. Z. p. 75: Troglodytes platensis Gmel. Loc.: Argentina: Bahia Blanca. October 1833. Ex.coll. ZSL via Darwin. Material: ex mount, ad. Status: BMNH 1856.3.15.20. Cat. VI: 247: b. *Cistothorus platensis falklandicus Chapman, 1934. [CD 1053]. Z. p. 75: Troglodytes platensis
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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: banks of the Plata. November 1833. Material: skin/mount. Status: missing. *Zonotrichia capensis subtorquata Swainson, 1837. [CD 683]. Z. p. 91: Zonotrichia matutina G. R. Gray. Loc.: Uruguay: Montevideo: banks of the Plata. August 1832. Material: skin/mount. Status: missing. *Zonotrichia capensis australis (Latham, 1790). [CD 750]. Z. p. 91: Zonotrichia matutina G. R. Gray. Loc.: Argentina: Bahia Blanca. September 1832. Ex.coll. Gould, ex. ? ZSL. Material: skin, ad. Status: probably BMNH 1857.10
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). Darwin enjoyed his time there as much as he had disliked New South Wales and Western Australia: they were also very important to him in the development of his 'theory of coral reefs'. A short 'dissipated' visit to Mauritius (April-May 1836) was followed by a brief sojourn at the Cape of Good Hope: Madagascar may have been glimpsed from afar. Back in the Atlantic, there were visits to St Helena and Ascension (July 1836), and then to 'complete the chain of meridians', Bahia in Brazil was visited
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South American rain forest near Bahia, visited four island groups, and glimpsed more. He had had his feet on volcanic islands and coral islets and was able to compare them; he had noted the variation in depth around coral islands, and speculated about a relationship between coral growth and volcanic rocks (he had seen both at St Jago). He worked out procedures for collecting rocks, plants, insects, birds and other organisms in the short time of an island landing and recording his observations
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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] which frequent plains, reach much further to the North, to the extreme limit of the great central plains) to 40°. I never saw a specimen further South than this. On the west coast, it occurs from Concepcion (where open country commences) 37°, to as far (at least) as Lima in 12°.- It constantly haunts the driest plain parts, away from bushes trees. Sand dunes, near the sea coast afford a very favourite resort. At Maldonado [Uruguay] at Bahia Blanca [Patagonia] it is very abundant, it is very tame
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A161
Periodical contribution:
Steinheimer, F. D. 2004. Charles Darwin's bird collection and ornithological knowledge during the voyage of H.M.S. Beagle, 1831-1836. Journal of Ornithology 145(4): 300-320, 4 figures (appendix [pp. 1-40]).
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plains, reach much further to the North, to the extreme limit of the great central plains) to 40 . I never saw a specimen further South than this. On the west coast, it occurs from Concepci n (where open country commences) 37 ,to as far (at least) as Lima in 12 .-It constantly haunts the driest plain parts, away from bushes trees. Sand dunes, near the sea coast afford a very favourite resort. At Maldonado [Uruguay] at Bahia Blanca [Patagonia] it is very abundant, it is very tame, most quiet
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A27b
Book:
Freeman, R. B. 2007. Charles Darwin: A companion. 2d online edition, compiled by Sue Asscher.
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Estonia of German parents who were Russian subjects. See J. A. Rogers, Isis, 64:488-493, 1972. 1867 Copley Medal of Royal Society. 1834- Librarian Academy of Sciences St Petersburg. 1860 Aug. B wrote to Huxley generally pro-Origin, although he never fully accepted CD's views—LLii 329. 1861 CD refers to B in Historical sketch. Bagley, Major CD to Catherine D mentions as if he was a Shrewsbury friend—D and Beagle p. 67-9. Bagshaw's Directory for Kent. 1847 described CD as farmer —Keith 44. Bahia, see
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A27b
Book:
Freeman, R. B. 2007. Charles Darwin: A companion. 2d online edition, compiled by Sue Asscher.
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Rocks. Feb. 16-17 Beagle crossed equator, Neptune ceremonies morning 17th. Feb. 20 Fernando de Noronha. Feb. 28-Mar. 18 Bahia Blanca. Mar. 27 Abrolhos archipelago. Apr. 5-Jul. 5 Rio de Janeiro. Jul. 26-Aug. 19 Monte Video. Sep. 6-Oct. 17 Bahia Blanca. Nov. 2-26 Monte Video. Dec. 16 Tierra del Fuego. [page] 10
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A27b
Book:
Freeman, R. B. 2007. Charles Darwin: A companion. 2d online edition, compiled by Sue Asscher.
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Concepcion. Mar. 11-Jul. 6 Valparaiso-Copiapo. Jul. 12-15 Iquique. Jul. 19-Sep. 7 Callao for Lima. Sep. 16-Oct. 20 Galapagos Is. Nov. 15-26 Tahiti. Dec. 21-30 Bay of Islands, New Zealand. 1836 Jan. 12-30 Sydney. Feb. 2-17 Hobart. Mar. 3-14 St George's Sound. Apr. 2-12 Cocos Keeling Is. Apr. 29-May 9 Mauritius. May 31-Jun. 18 Cape of Good Hope. Jul. 7-14 St Helena. Jul. 19-23 Ascension. Aug. 1-6 Bahia Blanca. Aug. 12-17 Pernambuco. Sep. 4-8 Porto Praya, Cape Verde Is. Sep. 20 Terceira, Azores. Oct. 2
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A27b
Book:
Freeman, R. B. 2007. Charles Darwin: A companion. 2d online edition, compiled by Sue Asscher.
Text
brachiopods at Museum of Practical Geology, Jermyn St, London—LLii 367. Salter, Thomas Bell, 1814-1858. Physician and botanist of Ryde, Isle of Wight. Nephew of Prof. Thomas Bell. 1855 S was sending seeds to CD for hybrid studies—Darwin-Henslow 175, as I. B. S. Salvador, Brazil, also called Bahia. 1832 Feb. 22-Mar. 18 Beagle at and CD ashore. 1836 Aug. 1-17 Beagle returned and CD ashore. Sanderson, Sir John Scott Burdon, Bart, 1828-1905. Physician and physiologist. S helped CD with experiments for
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A27b
Book:
Freeman, R. B. 2007. Charles Darwin: A companion. 2d online edition, compiled by Sue Asscher.
Text
lizard. Astarte darwini Forbes, a bivalve mollusc. Attus darwini White, a jumping spider. Bulimus darwini Pfeiffer, a land snail. Callimicra darwini Hespenheide 1980, a buprestid beetle, the unique specimen was collected by CD at Bahia, Brazil. Calosoma darwinia van Dyke, a ground beetle. Carabus darwini Hope, a ground beetle. Chthamalus darwini Bosquet, a fossil barnacle from the Chalk. Coenonympha darwiniana Staudinger 1871, a pearly heath, Satyridae, European Alps. Colymbetes darwini
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Day 1678 – Mon – 01 Aug 1836 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 1679 – Tue – 02 Aug 1836 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 1680 – Wed – 03 Aug 1836 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 1681 – Thu – 04 Aug 1836 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 1682 – Fri – 05 Aug 1836 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W 1836 Bahia to Pernambuc
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Day 599 – Sat – 17 Aug 1833 – (Land) – Bahia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 600 – Sun – 18 Aug 1833 – (Land) – Bahia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 601 – Mon – 19 Aug 1833 – (Land) – Bahia Blanca, outside town (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 602 – Tue – 20 Aug 1833 – (Land) – Bahia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 603 – Wed – 21 Aug 1833 – (Land) – Bahia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day
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– (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 69 – Mon – 05 Mar 1832 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 70 – Tue – 06 Mar 1832 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 71 – Wed – 07 Mar 1832 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 72 – Thu – 08 Mar 1832 – (Harbour) – Bahia (Salvador da Bahia, Brazil) 12º58' S 38º33' W Day 73 – Fri – 09 Mar 1832 – (Harbour) – Bahia (Salvador da Bahia
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Day 1683 – Sat – 06 Aug 1836 – (Sea) – At sea: Bahia to Pernambuco Day 1684 – Sun – 07 Aug 1836 – (Sea) – At sea: Bahia to Pernambuco, 13º02' S 38º15' W (FitzRoy) Day 1685 – Mon – 08 Aug 1836 – (Sea) – At sea: Bahia to Pernambuco, 12º55' S 37º47' W (FitzRoy) Day 1686 – Tue – 09 Aug 1836 – (Sea) – At sea: Bahia to Pernambuco, 12º53' S 37º23' W (FitzRoy) Day 1687 – Wed – 10 Aug 1836 – (Sea) – At sea: Bahia to Pernambuco, 11º30' S 36º17' W (FitzRoy) Day 1688 – Thu – 11 Aug 1836 – (Sea) – At sea
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Day 56 – Tue – 21 Feb 1832 – (Sea) – At sea: Fernando to Bahia, 03º17' S 32º06' W (FitzRoy) Day 57 – Wed – 22 Feb 1832 – (Sea) – At sea: Fernando to Bahia, 04º06' S 32º03' W (FitzRoy) Day 58 – Thu – 23 Feb 1832 – (Sea) – At sea: Fernando to Bahia, 05º29' S 32º01' W (FitzRoy) Day 59 – Fri – 24 Feb 1832 – (Sea) – At sea: Fernando to Bahia, 07º25' S 31º55' W (FitzRoy) Day 60 – Sat – 25 Feb 1832 – (Sea) – At sea: Fernando to Bahia, 09º38' S 32º25' W (FitzRoy) Day 61 – Sun – 26 Feb 1832 – (Sea
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Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 280 – Tue – 02 Oct 1832 – (Land) – Baia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 281 – Wed – 03 Oct 1832 – (Land) – Baia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 282 – Thu – 04 Oct 1832 – (Harbour) – Baia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 283 – Fri – 05 Oct 1832 – (Harbour) – Baia Blanca (Bahia Blanca, Argentina) 38º49' S 62º15' W Day 284 – Sat – 06 Oct 1832 – (Harbour) – Baia Blanca (Bahia
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sea: Montevideo to Bahia, 38º36' S 57º57' W (FitzRoy) Day 247 – Thu – 30 Aug 1832 – (Sea) – At sea: Montevideo to Bahia, 38º36' S 57º58' W (FitzRoy) Day 248 – Fri – 31 Aug 1832 – (Sea) – At sea: Montevideo to Bahia, 38º39' S 58º42' W (FitzRoy) Day 249 – Sat – 01 Sep 1832 – (Sea) – At sea: Montevideo to Bahia, 38º44' S 58º35' W (FitzRoy) Day 250 – Sun – 02 Sep 1832 – (Sea) – At sea: Montevideo to Bahia, 38º51' S 59º13' W (FitzRoy) Day 251 – Mon – 03 Sep 1832 – (Sea) – At sea: Montevideo to Bahia
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Day 1669 – Sat – 23 Jul 1836 – (Sea) – At sea: Ascension to Bahia Day 1670 – Sun – 24 Jul 1836 – (Sea) – At sea: Ascension to Bahia, 09º08' S 16º52' W (FitzRoy) Day 1671 – Mon – 25 Jul 1836 – (Sea) – At sea: Ascension to Bahia, 10º28' S 19º35' W (FitzRoy) Day 1672 – Tue – 26 Jul 1836 – (Sea) – At sea: Ascension to Bahia, 11º17' S 22º43' W (FitzRoy) Day 1673 – Wed – 27 Jul 1836 – (Sea) – At sea: Ascension to Bahia, 11º47' S 26º13' W (FitzRoy) Day 1674 – Thu – 28 Jul 1836 – (Sea) – At sea
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Day 297 – Fri – 19 Oct 1832 – (Sea) – At sea: Baia Blanca, Monte Hermoso (Balneario Monte Hermoso) 38º59' S 61º18' W Day 298 – Sat – 20 Oct 1832 – (Sea) – At sea: Bahia Blanca to Montevideo, 39º34' S 59º37' W (FitzRoy) Day 299 – Sun – 21 Oct 1832 – (Sea) – At sea: Bahia Blanca to Montevideo, 39º20' S 59º02' W (FitzRoy) Day 300 – Mon – 22 Oct 1832 – (Sea) – At sea: Bahia Blanca to Montevideo, 39º49' S 58º24' W (FitzRoy) Day 301 – Tue – 23 Oct 1832 – (Sea) – At sea: Bahia Blanca to Montevideo
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Day 55 – Mon – 20 Feb 1832 – (Harbour) – Fernando Norinho (Fernando Norinha, Brazil) 03º51' S 32º25' W 1832 Fernando to Bahi
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Day 342 – Mon – 03 Dec 1832 – (Harbour) – San Blas (Bahia San Blas, Argentina) 40º35' S 62º14' W Day 343 – Tue – 04 Dec 1832 – (Harbour) – San Blas (Bahia San Blas, Argentina) 40º35' S 62º14' W 1832 Patagonia Coas
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Day 82 – Sun – 18 Mar 1832 – (Sea) – At sea: Bahia to Rio de Janeiro Day 83 – Mon – 19 Mar 1832 – (Sea) – At sea: Bahia to Rio de Janeiro, 13º40' S 38º31' W (FitzRoy) Day 84 – Tue – 20 Mar 1832 – (Sea) – At sea: Bahia to Rio de Janeiro, 13º29' S 38º25' W (FitzRoy) Day 85 – Wed – 21 Mar 1832 – (Sea) – At sea: Bahia to Rio de Janeiro, 14º20' S 38º07' W (FitzRoy) Day 86 – Thu – 22 Mar 1832 – (Sea) – At sea: Bahia to Rio de Janeiro, 15º21' S 37º20' W (FitzRoy) Day 87 – Fri – 23 Mar 1832 – (Sea
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Day 593 – Sun – 11 Aug 1833 – (Land) – Rio Negro to Bahia Blanca (Argentina) Day 594 – Mon – 12 Aug 1833 – (Land) – Rio Negro to Bahia Blanca (Argentina) Day 595 – Tue – 13 Aug 1833 – (Land) – Colorado River (Colorado River, Argentina) 39º32' S 62º40' W Day 596 – Wed – 14 Aug 1833 – (Land) – Colorado River (Colorado River, Argentina) 39º32' S 62º40' W Day 597 – Thu – 15 Aug 1833 – (Land) – Colorado River (Colorado River, Argentina) 39º32' S 62º40' W Day 598 – Fri – 16 Aug 1833 – (Land
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F2044b
Book:
Rookmaaker, Kees. Chronological register. In Chancellor, Gordon and John van Wyhe eds. 2009. Charles Darwin's notebooks from the voyage of the Beagle. With a foreword by Richard Darwin Keynes. Cambridge: University Press.
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notebook: 116a Rio Colorado 17 August 1833 Falkland notebook: 120a Bahia Blanca 18 August 1833 Falkland notebook: 124a Bahia Blanca 19 August 1833 Falkland notebook: 125a Bahia Blanca 20 August 1833 Falkland notebook: 125a Bahia Blanca 21 August 1833 Falkland notebook: 126a Bahia Blanca 22 August 1833 Falkland notebook: 129a Bahia Blanca 23 August 1833 Falkland notebook: 130a Bahia Blanca 24 August 1833 Falkland notebook: 139a Bahia Blanca 25 August 1833 Falkland notebook: 139a Bahia Blanca 26 August
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F2044b
Book:
Rookmaaker, Kees. Chronological register. In Chancellor, Gordon and John van Wyhe eds. 2009. Charles Darwin's notebooks from the voyage of the Beagle. With a foreword by Richard Darwin Keynes. Cambridge: University Press.
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Island, St Jago 29 February 1832 Cape de Verds notebook: 56b Bahia, Brazil 01 March 1832 Cape de Verds notebook: 96 Bahia, Brazil 03 March 1832 Cape de Verds notebook: 62b Bahia, Brazil 05 March 1832 Cape de Verds notebook: 63b Bahia, Brazil 13 March 1832 Cape de Verds notebook: 68b Bahia, Brazil 14 March 1832 Cape de Verds notebook: 70b Bahia, Brazil 15 March 1832 Cape de Verds notebook: 72b Bahia, Brazil 21 March 1832 Cape de Verds notebook: 73b Bahia-Rio de Janeiro 23 March 1832 Cape de Verds
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Ascension to Bahi
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– 09 Aug 1833 – (Land) – Rio Negro mouth (Baleario Massini, Argentina) 41º02' S 62º47' W Day 592 – Sat – 10 Aug 1833 – (Land) – Rio Negro mouth (Baleario Massini, Argentina) 41º02' S 62º47' W 1833 Rio Negro to Bahia Blanc
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, Uruguay) 34º57' S 55º55' W Day 233 – Thu – 16 Aug 1832 – (Harbour) – Montevideo (Montevideo, Uruguay) 34º57' S 55º55' W Day 234 – Fri – 17 Aug 1832 – (Harbour) – Montevideo (Montevideo, Uruguay) 34º57' S 55º55' W Day 235 – Sat – 18 Aug 1832 – (Harbour) – Montevideo (Montevideo, Uruguay) 34º57' S 55º55' W Day 236 – Sun – 19 Aug 1832 – (Harbour) – Montevideo (Montevideo, Uruguay) 34º57' S 55º55' W 1832 Montevideo to Bahi
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– (Land) – Rio de Janeiro (Rio de Janeiro, Brazil) 22º58' S 43º10' W Day 135 – Thu – 10 May 1832 – (Land) – Rio de Janeiro [Beagle to Bahia] (Rio de Janeiro, Brazil) 22º58' S 43º10' W Day 136 – Fri – 11 May 1832 – (Land) – Rio de Janeiro (Rio de Janeiro, Brazil) 22º58' S 43º10' W Day 137 – Sat – 12 May 1832 – (Land) – Rio de Janeiro (Rio de Janeiro, Brazil) 22º58' S 43º10' W Day 138 – Sun – 13 May 1832 – (Land) – Rio de Janeiro (Rio de Janeiro, Brazil) 22º58' S 43º10' W Day 139 – Mon – 14 May 1832
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Day 1358 – Tue – 15 Sep 1835 – (Sea) – At sea: Chatham Island (San Cristobal Island) 00º56' S 89º29' W Day 1359 – Wed – 16 Sep 1835 – (Harbour) – Chatham Island (Cerro Tijeretas, Chatham (San Christobal) Island, Ecuador) 00º53' S 89º36' W Day 1360 – Thu – 17 Sep 1835 – (Harbour) – Chatham Island, St Stephens Harbor (Puerto Grande, San Cristobal Island, Ecuador) 00º45' S 89º27' W Day 1361 – Fri – 18 Sep 1835 – (Harbour) – Chatham Island, Terrapin Road (Bahia Tortuga, San Cristobal Island
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A194
Periodical contribution:
Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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Pérez, D.E. 2004. Oceanografía Física del estuario de Bahía Blanca. In Piccolo, M.C. and Hoffmeyer, M. (eds.) El Ecosistema del Estuario de Bahía Blanca. Instituto Argentino de Oceanografía, 61-67, Bahía Blanca. 36. Quattrocchio, M.E. and Borromei, A.M. 1998. Paleovegetational and paleoclimatic changes during the Late Quaternary in southwestern Buenos Aires province and southern Tierra del Fuego (Argentina). Palynology 22: 67-82. 37. Quattrocchio, M.E., Borromei, A.M. and Grill, S.C. 1995. Cambios
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A194
Periodical contribution:
Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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. Bahía Thetis Formation The dominant slaty mudstones and sandstones cropping out in the Thetis Bay area were first recognized by Furque and Camacho (1949). Olivero et.al (2003) studied the Bahía Thetis Formation and recognized three packages, more than 250 m thick, of hard, highly deformed rocks including: 1) dark, organic-rich, laminated mudstones and tuffs with incipient cleavage; 2) resedimented conglomerates and pebbly mudstones; and 3) turbidite sandstones and slaty mudstones. The lowest organic
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A194
Periodical contribution:
Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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formations of the Pampas in the footsteps of Darwin: south of the Salado Zárate, Marcelo; Folguera, Alicia Geology of the area of Bahía Blanca, Darwin's view and the present knowledge: a story of 10 million years Quattrocchio, Mirta E.; Deschamps, Cecilia M.; Zavala, Carlos A.; Grill, Silvia C.; Borrome, Ana M. The fossil mammals collected by Charles Darwin in South America during his travels on board the HMS Beagle Fernicola, Juan Carlos; Vizcaíno, Sergio F.; De Iuliis, Gerardo Young Darwin and the
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A194
Periodical contribution:
Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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August and October 1832 and gave him the opportunity to visit Punta Alta near the fort of Bahía Blanca (Fig. 1). The second one was between November 1832 and May 1833 to visit the Beagle Channel, the surrounding areas of Tierra del Fuego Island, and the Malvinas Islands. The third and more important fieldtrip was, after landing in Carmen de Patagones in August 1833 (Fig. 1), to ride across the Pampas to Buenos Aires city and later on to Santa Fé and Bajada (today Paraná city) on the Río Paraná
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A194
Periodical contribution:
Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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). In early August of 1833, Darwin disembarked from the Beagle at Patagones, a town by the Rio Negro, in northern Patagonia and began his journey heading north towards Bahía Blanca. From there he travelled across the southern Pampas to the Rio Salado area and Buenos Aires, continuing later to Santa Fe. Logistics for the trip was provided by Juan Manuel de Rosas - the Argentine administrator at the time - in the form of a passport to travel, horses, and a group of soldiers and gauchos to escort him
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A194
Periodical contribution:
Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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Cruz and in the San Julián area. In contrast, outcrops with similar rocks in the Puerto Deseado area received far less attention (Frenguelli 1931, Feruglio 1949, del Río 2004, Giacosa et al. 1998). In this area, the Neogene marine rocks overlie Jurassic volcanic rocks of the Bahía Laura Group, and are reduced to patchy thin exposures isolated one another. Giacosa et al. (1998) used the informal name Patagoniano to designate these outcrops and suggested that these were equivalent to the San
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Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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comprises the volcanic rocks of the Chon Aike Formation, which in this sector represents the easternmost exposures of the Deseado Massif. Darwin described these volcanics as trachytic porphyries. The unit includes the tectonic silicified breccias assigned to the Bahía Laura Group, and exposed at Cabo Blanco. These were erroneously interpreted by Darwin as siliceous sedimentary rocks and compared them to those of the Malvinas Islands. Off-limits he describes purple to pink, and sometimes laminated
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Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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, the specimen assigned by Owen (1839b) to Scelidotherium was collected by Darwin in Punta Alta in August, 1833, the time during which Darwin had returned to this locality (Keynes 2001, p. 178). Further confirmation of this date appears in a letter from Darwin (1985, Letter 188), dated September 20, 1833, to Caroline S. Darwin, in which he recounts that I likewise at Bahia Blanca found some more bones more perfect than those I formerly found, indeed one is nearly an entire skeleton . As indicated
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Clapperton 1993). CHARLES DARWIN AND THE DISCOVERY OF THE RODADOS PATAGÓNICOS The voyage of the HMS Beagle took place between 1831 and 1836. The first opportunity in which Charles Darwin identified gravel deposits that are today known as Rodados Patagónicos was in 1833, during his expedition to the surroundings of the present city of Bahía Blanca, southern Buenos Aires province (Fig. 1). There, he observed a layer that was less than a meter thick, composed of small pebbles, essentially porphyritic rocks
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particularly interesting to read about his impressions and views on Argentine society in times of severe turmoil, when Juan Manuel de Rosas (whom he met personally) was growing as a political figure in the conflictive scenario that was at the time the Argentine Confederation. Darwin set foot for the first time on Argentina's soil in Patagonia when the Beagle arrived on August the 3rd off the mouth of the Río Negro. He traveled afterwards overland to Bahía Blanca, Buenos Aires, and Santa Fe. On
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Darwin in Argentina. Revista de la Asociación Geológica Argentina 64, no. 1 (February 2009): 1-180.
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. Further north, the rocks deposited during the Patagonian transgression are included in the Chenque and Gaiman formations, in the San Jorge Basin. In southern Chile, these rocks are known as Guadal Formation, and are exposed south of Lago General Carrera. The basement rocks underlying the Cenozoic deposits are a Jurassic lava-pyroclastic complex known as Bahía Laura Group, including the Chon Aike Formation (ignimbrites and scarce rhyolitic lavas and tuffs) and the La Matilde Formation (tuffs
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Ghiselin, Michael T. 2009. Darwin: A reader's guide. Occasional Papers of the California Academy of Sciences (155 [12 February]), 185 pp, 3 figs.
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, observations on pulmonate slugs together with terrestrial flatworms AUGUST 22, arrived at Punta Alta near Bahia Blanca AUGUST 24, more observations on Sagitta at sea AUGUST 30, observations on ctenophores at sea SEPTEMBER 2 4, observations on Sagitta (and other animals) at sea SEPTEMBER 6 OCTOBER 17, Bahia Blanca area SEPTEMBER 22, OCTOBER 8, Punta Alta (near Bahia Blanca) fossils SEPTEMBER 27 29, observations on Sagitta at sea off Bahia Blanca OCTOBER 8, Trigonocephalus recorded OCTOBER 8
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Ghiselin, Michael T. 2009. Darwin: A reader's guide. Occasional Papers of the California Academy of Sciences (155 [12 February]), 185 pp, 3 figs.
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, trip to salt lake AUGUST 11 SEPTEMBER 20, overland trip from Rio Negro to Buenos Aires AUGUST 13, reached camp of General Rosas AUGUST 15, meeting with General Rosas AUGUST 24, arrived at Bahia Blanca AUGUST 25 28, visit to Beagle AUGUST 29 SEPTEMBER 6, Punta Alta fossil collecting SEPTEMBER 8, continued land journey; Beagle sailed SEPTEMBER 20 26, Buenos Aires SEPTEMBER 27 NOVEMBER 4, expedition to Santa Fe and return to Montevideo OCTOBER 1, Parana River fossils OCTOBER 3 4, sick in bed in Santa
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Ghiselin, Michael T. 2009. Darwin: A reader's guide. Occasional Papers of the California Academy of Sciences (155 [12 February]), 185 pp, 3 figs.
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Hobart MARCH 4 5, observations on confervae at sea MARCH 6 14, King George's Sound, Australia APRIL 1 12, Cocos-Keeling Islands APRIL 29 MAY 9, Mauritius MAY, Red Notebook begins around this time MAY 31 JUNE 15, Cape of Good Hope JUNE 3, first meeting with Sir John Herschel JUNE 8 15, socialized with Herschel and others JUNE 28, FitzRoy/Darwin paper on Tahiti written at sea JUNE 29, crossed Tropic of Capricorn JULY 8 14, St. Helena JULY 19 23, Ascension Island AUGUST 1 6, Bahia, Brazil AUGUST 12
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