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F8.18    Book:     Darwin, C. R. ed. 1842. Reptiles Part 5 no. 1 of The zoology of the voyage of H.M.S. Beagle. By Thomas Bell. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
extensive investigation in the same districts. B [page] 2 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
INTRODUCTION. ~~~~~~~~~~ THE number of species of Fish described or noticed in the following Part of the Zoology of the Beagle, amount to 137. It is right to observe that, judging from Mr. Darwin's manuscript notes, relating to what he obtained in this department, this is probably not more than half the entire number which he collected. Unfortunately a large portion of the valuable collection sent home by him arrived in this country in too bad condition for examination, and was necessarily
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
and a half. Nostrils double, a little in advance of the eyes; the first orifice oval, the second round. Preopercle rectangular, with the angle rounded; B [page] 2 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
fine dark line on each side extending to the caudal. Habitat, Bahia Blanca, Northern Patagonia. Apparently another new species of this genus, taken by Mr. Darwin at Bahia, and, like the last, well-marked; especially by the short filaments above the eyes, which I am not aware occur in any other known species. [page] 150 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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A13    Review:     Jackson, 1842. [Review of] The Structure and Distribution of Coral Reefs: Being the First Part of the Geology of the Voyage of the 'Beagle,' under the Command of Capt. FitzRoy, R. N., during the Years 1832 to 1836. Journal of the Royal Geographical Society of London. 12: 115-120.   Text
Jackson, 1842. [review of] The Structure and Distribution of Coral Reefs [page] 115 ANALYSES. I. The Structure and Distribution of Coral Reefs: being the First Part of the Geology of the Voyage of the 'Beagle,' under the command of Capt. Fitzroy, R.N., during the Years 1832 to 1836. By CHARLES DARWIN, M.A., F.R.S., F.G.S., Naturalist to the Expedition. Communicated by Colonel JACKSON. IF, on the one hand, we have too frequently to deprecate the precipitancy with which theories and systems are
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F1661    Periodical contribution:     Darwin, C. R. 1842. On the distribution of the erratic boulders and on the contemporaneous unstratified deposits of South America. [Read 14 April 1841] Transactions of the Geological Society Part 2, 3 (78): 415-431, pl. 11, figs. 1-3.   Text   Image   PDF
, by Capt. FitzRoy in H.M.S. Beagle, I did not meet with any boulders on the eastern plains of the continent until we arrived on the banks of the river Santa Cruz, in lat. 50° 10' S. Nor did they occur there near the coast, but were first noticed in ascending the river at the distance of about 100 geographical miles from the Atlantic, and 67 from the nearest slope of the Cordillera. Twelve miles further west, in lon. 70° 50' W., that is, fifty-five miles from the mountains, they were
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F271    Book:     Darwin, C. R. 1842. The structure and distribution of coral reefs. Being the first part of the geology of the voyage of the Beagle, under the command of Capt. FitzRoy, R.N. during the years 1832 to 1836. London: Smith Elder and Co.   Text   Image   PDF
); Aitutaki from measurements made on board the Beagle; and Manouai, or Harvey Island, from an estimate by the Rev. J. Williams. The two latter islands, however, are not in some respects well characterized examples of the encircled class. [page] 4
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F271    Book:     Darwin, C. R. 1842. The structure and distribution of coral reefs. Being the first part of the geology of the voyage of the Beagle, under the command of Capt. FitzRoy, R.N. during the years 1832 to 1836. London: Smith Elder and Co.   Text   Image   PDF
remained amidst coral reefs without having become coated. The anchor of the Beagle, in 1832, after having been down exactly one month at Rio de Janeiro, was so thickly coated by two species of Tubularia, that large spaces of the iron were entirely concealed; the tufts of this horny zoophyte were between two and three inches in length. It has been attempted to compute, but I believe erroneously, the rate of growth of a reef, from the fact mentioned by Capt. Beechey of the Chama gigas being embedded
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F271    Book:     Darwin, C. R. 1842. The structure and distribution of coral reefs. Being the first part of the geology of the voyage of the Beagle, under the command of Capt. FitzRoy, R.N. during the years 1832 to 1836. London: Smith Elder and Co.   Text   Image   PDF
appended to this volume. Honden island, which is situated in the extreme N.W. part of the Low Arch., according to measurements made on board the Beagle, whilst sailing by, is 114 feet from the summit of the trees to the water's edge. This island appeared to resemble the other atolls of the group. [page] 9
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F271    Book:     Darwin, C. R. 1842. The structure and distribution of coral reefs. Being the first part of the geology of the voyage of the Beagle, under the command of Capt. FitzRoy, R.N. during the years 1832 to 1836. London: Smith Elder and Co.   Text   Image   PDF
Atlas. Beginning at the eastern side of the Pacific, I have added to the number of the volcanos in the southern part of the Cordillera, and have coloured Juan Fernandez according to observations collected during the voyage of the Beagle, (Geol. Trans. vol. v. p. 601.) [page] 12
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
slightly projecting beyond the lateral ones in the form of an obtuse lobe. COLOUR. Represented in the drawing of a uniform light brown. Habitat, Valparaiso. This is the species of which, as before stated, no specimen was brought home, but only a coloured drawing made by Mr. Phillip King, an officer of the Beagle, for Capt. FitzRoy. The drawing appears to have been done with accuracy, and from it the above description has been taken. The fin-ray formula, however, was computed from the recent fish, the
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
; cristis occipitali et nuchali distinctis: oculis magnis pro- [page] 148 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
. [page] 166 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
Geological Observations made during the Voyage of the Beagle in the years 1832 to 1836, under the command of Capt. FITZROY, R.N. Published with the approval of the Lords Commissioners of Her Majesty's Treasury. BY CHARLES DARWIN, M.A., F.R.S., F.G.S., ETC. NATURALIST TO THE EXPEDITION. IN ONE VOLUME DEMY OCTAVO, ILLUSTRATED WITH WOODCUTS AND MAPS. PUBLISHED BY SMITH, ELDER AND CO., 65, CORNHILL
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F8.18    Book:     Darwin, C. R. ed. 1842. Reptiles Part 5 no. 1 of The zoology of the voyage of H.M.S. Beagle. By Thomas Bell. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
............ 2 0 of posterior extremity ......... 1 2 This species would appear to be very common in Chile, from the numerous specimens from that country in the museum in Paris, which were brought by M. Gay, and by M. D'Orbigny. I have also received specimens from Capt. King. I find only one or two specimens in Mr. Darwin's collection, which he found at Guasco in Chile. [page] 4 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.18    Book:     Darwin, C. R. ed. 1842. Reptiles Part 5 no. 1 of The zoology of the voyage of H.M.S. Beagle. By Thomas Bell. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
, de chaque côté du dos, une bande longitudinale verte ou jaunâtre comme cela s'observe dans l'espèce précédente, ( Pr. pictus. ) Le mâle a le dessus de la tête nuancé de brun et de fauve, ou bien ponctué de jaune et de noirâtre. La région cervicale est, ainsi que le dos, vermiculée de noir sur un fond brun, [page] 8 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.18    Book:     Darwin, C. R. ed. 1842. Reptiles Part 5 no. 1 of The zoology of the voyage of H.M.S. Beagle. By Thomas Bell. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
zoological collections obtained by Mons. D'Orbigny for the French Museum. * Mons. Bibron states that there are two series, but on examining his specimen I find a single series only. C [page] 10 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.18    Book:     Darwin, C. R. ed. 1842. Reptiles Part 5 no. 1 of The zoology of the voyage of H.M.S. Beagle. By Thomas Bell. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
in proportion than in Pr. Fitzingerii. Ear large, oval, with the anterior margin granular, sometimes slightly toothed. Scales of the temples of moderate size, imbricated, smooth, somewhat raised. A single range of oval moderate-sized scales between the labial and the orbital scales on the * This is contrary to the character given by M. Bibron, who states that the whole of these are entire. [page] 14 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.18    Book:     Darwin, C. R. ed. 1842. Reptiles Part 5 no. 1 of The zoology of the voyage of H.M.S. Beagle. By Thomas Bell. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
the lateral fold of the neck, the more entire margin of the ear. In the existence of a patch of larger imbricated scales on the posterior surface of the thighs, it resembles Pr. Weigmannii; from which, however, it may be at once distinguished by the single row of supralabial scales, the later species having a double row. PROCTOTRETUS WEIGMANII. PLATE VIII. FIG. 1, 2. Capite squamis lævibus non imbricatis tecto; auribus rotundis margine anteriore [page] 16 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
, flabelli locum occupantibus. I propose to establish this new genus for the reception of the Centropristes Georgianus of Valenciennes, which appears to offer sufficient peculiarities to [page] 14 ZOOLOGY OF THE VOYAGE OF THE BEAGL
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
preopercle are divided into little isles, or collected in clusters, by irregular lines which undulate amongst them; and in this specimen, the same character presents itself on the posterior and upper portion of the suborbital: some of the first lines on the opercle are plain, or without granulations. Snout emarginated, with three or four denticulations on each side rather sharper and more developed [page] 28 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
[page] 34 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
spine on each of the nasal bones, (in this specimen that on the left side is double or forked): upper margin of the orbit, which is much elevated, with three spines, one strong one at the anterior angle, and two, nearly as large, further back; beyond which, on the left orbit only, is a fourth smaller one. Space between the eyes bounded posteriorly by a raised arc * Judging from the figure in the Voyage de l'Astrolobe (Zoologie), pl. 10. f. 4. [page] 36 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
forti; spinis dorsalibus ad apices laciniis investitis; pinnâ caudali subæquali. B. 7; D. 10/12; A. 3/7; C. 17; P. 18; V. 1/5. LONG. unc. 7. lin. 3. FORM.—Oval, compressed; the back not much arched, forming one continuous curve with the profile, which falls gently from the nape; ventral line less convex than the dorsal. Greatest * With the exception of a small rough oblong spot, near the posterior extremity of the left palatine. [page] 48 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
scale marked with an elevated line without ramifications. A scale taken from above the lateral line is of a somewhat rhomboidal form; the free portion very finely striated, with the margin finely H [page] 50 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
respects it agrees better with the description in the 'Histoire des Poissons.' The filamentous ray terminates in an extremely fine hair, which leads me to think that the extreme portion of this ray in the first specimen has been broken off. Habitat, Keeling Island, Indian Ocean. [page] 62 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
by the absence of ventrals, of which there is not the least trace: the body is also deeper, rhomboidal rather than oval, and more compressed. In all these respects it agrees better with Stromateus, which would seem particularly to meet it in those species, such as the S. candidus and S. securifer, which are represented by Cuvier and Valenciennes as having a number of minute truncated K [page] 66 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
: capite lato, subdepresso; genis inflatis: maxillis æqualibus: dentibus velutinis, externis fortioribus aculeiformibus; caninis nullis: oculis amplis, intervallo vix plus quam semidiametrum æquante: pinnis dorsalibus contiguis, altitudine subæqualibus; pectoralibus radiis supernis setaceis, liberis; caudali rotundatâ: squamis mediocribus, levissimè ciliatis. B. 5; D. 6—1/9; A. 1/8; C. 13, c.; P. 7 et 16; V. 1/5. LONG. unc. 4. lin. 8. [page] 96 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
slightly projecting beyond the lateral ones in the form of an obtuse lobe. COLOUR.—Represented in the drawing of a uniform light brown. Habitat, Valparaiso. This is the species of which, as before stated, no specimen was brought home, but only a coloured drawing made by Mr. Phillip King, an officer of the Beagle, for Capt. FitzRoy. The drawing appears to have been done with accuracy, and from it the above description has been taken. The fin-ray formula, however, was computed from the recent fish
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
; cristis occipitali et nuchali distinctis: oculis magnis pro- [page] 148 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F9.4    Book:     Darwin, C. R. ed. 1842. Fish Part 4 of The zoology of the voyage of HMS Beagle. by Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
κοιτη cubile. [page] 166 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F1661    Periodical contribution:     Darwin, C. R. 1842. On the distribution of the erratic boulders and on the contemporaneous unstratified deposits of South America. [Read 14 April 1841] Transactions of the Geological Society Part 2, 3 (78): 415-431, pl. 11, figs. 1-3.   Text   Image   PDF
size, and they all must have travelled at least ninety miles from their parent rock. The position of the boulders in St. Sebastian's Bay is, in another respect, interesting; for the form of the land clearly shows, that long anterior to the total amount of elevation attested by upraised recent sea shells, a wide channel (indeed, introduced in all the charts before the voyage of the Beagle) connected the middle part of the Strait of Magellan with the open sea. During the same period, a very low
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F1661    Periodical contribution:     Darwin, C. R. 1842. On the distribution of the erratic boulders and on the contemporaneous unstratified deposits of South America. [Read 14 April 1841] Transactions of the Geological Society Part 2, 3 (78): 415-431, pl. 11, figs. 1-3.   Text   Image   PDF
angular, but mostly rounded, of all sizes, from mere particles to great boulders, of nearly the same composition as the fragments in the Strait of Magellan. Similar rocks do not occur in situ within sixty miles; and probably some exist only at a considerably greater distance. Within the eastern mouth of the Beagle channel, forming part of the above-mentioned area, the cliffs are higher, and the beds are sometimes regularly interstratified with layers of shingle. I cannot more accurately describe the
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F271    Book:     Darwin, C. R. 1842. The structure and distribution of coral reefs. Being the first part of the geology of the voyage of the Beagle, under the command of Capt. FitzRoy, R.N. during the years 1832 to 1836. London: Smith Elder and Co.   Text   Image   PDF
. charts in the Admiralty), that 29 now contain lagoons, and he believes the other three originally did. Bellinghausen (see an account of this Russian voyage, in the Biblioth. des Voyages, 1834, p. 443) says, that the 17 islands which he discovered resembled each other in structure, and he has given charts on a large scale of all of them. Kotzebue has given plans of several; Cook and Bligh mention others; a few were seen during the voyage of the Beagle; and notices of other atolls are scattered
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F271    Book:     Darwin, C. R. 1842. The structure and distribution of coral reefs. Being the first part of the geology of the voyage of the Beagle, under the command of Capt. FitzRoy, R.N. during the years 1832 to 1836. London: Smith Elder and Co.   Text   Image   PDF
to be without reefs: with regard to the two last-mentioned coasts, I speak after examining the charts on a large scale in the atlas of the Voyage of the Favourite. INDIAN OCEAN.—South Keeling atoll has been specially described: nine miles north of it lies North Keeling, a very small atoll, surveyed by the Beagle, the lagoon of which is dry at low water.—Christmas Island, lying to the east, is a high island, without, as I have been informed by a person who passed it, any reefs at all.—CEYLON: a
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
caudal, when the rays are spread, appears rounded; but when closed, somewhat pointed: O [page] 98 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
, only half their length, and cut nearly square. [page] 100 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
. 3/9; C. 13, c.; P. 14; V. 1/5. Length 6 inches. COLOUR. Body dull reddish and greenish, the colours being blended and mottled: fins banded lengthwise with vermillion-red: head with waving bright green lines. D. No trace of bright colours remains in its present state, and the only indication of markings is a narrow crescent-shaped band across the middle of the caudal. [page] 110 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
remaining the same. The depth is about one-fifth of the entire length; the head rather more than one-fifth. The helmet is scarcely so much wrinkled, and the interparietal process not so long, reaching only half-way to the buckler, which last is smaller and less obvious. The solution of continuity of the bones of the cranium appears to extend back [page] 112 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
therefore I infer are not present in that species, as they could hardly have been overlooked, or been deemed unimportant to be noticed. The maxillary cirri also, which in the C. punctatus, * Voy. dans L'Amér. Mérid. Atl. Ichth. pl. 5. fig. 1. Q [page] 114 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
insertion of the ventrals: the ventrals do not attain to the anal. COLOUR. Greenish-brown, with about ten conspicuous somewhat oval-shaped dusky spots, arranged in a longitudinal line along the middle of each side. All the fins plain. Habitat, Maldonado. This, which is evidently a new species of Pœcilia, was taken by Mr. Darwin [page] 116 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
of the same form as in the other species, and the general characters on the whole similar, I have not thought it expedient to erect it into a new genus. There is but one specimen in the collection, which appears to be a large female big with young. [page] 118 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
, with a shallow notch, the principal rays branched. The vent is just before the anal. The ventrals arise from about the middle of the entire length, the distance from their insertion to the commencement of the anal being twice their own length. The pectorals are small, and rather narrow, equalling about two-thirds the length of the head or hardly so much: they are attached low down, but not quite so low as in the genus Cobitis. [page] 120 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
entire: the short accessory rays are very numerous, and form a very distinct fringe along the upper and lower edges of the fleshy part of the tail. R [page] 122 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
the length and height nearly equal. Snout very short; mouth but little cleft; when open, the lower jaw projecting * Swainson is of opinion that more than double the number of species of Exocœtus really exist above those that have been described. Nat. Hist. of Fishes, vol. i. p. 299. [page] 124 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
, altitudine retrò gradatim decrescente; radiis plicis membranaceis nullis: squamis in lineâ laterali circiter 38, in lineâ inter pinnas ventrales et dorsalem transversò 12. D. 1/9; A. 3/22; C. 19, c.; P. 13; V. 8. LONG. unc. 3. lin. 7. [page] 126 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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F8.17    Book:     Darwin, C. R. ed. 1842. Fish Part 4 no. 4 of The zoology of the voyage of H.M.S. Beagle. By Leonard Jenyns. Edited and superintended by Charles Darwin. London: Smith Elder and Co.   Text   Image   PDF
other species, and not reaching so near the caudal; two spines, but the first extremely minute. Caudal forked for half its [page] 128 ZOOLOGY OF THE VOYAGE OF THE BEAGLE
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