RECORD: Darwin, C. R. 1856. [Typical list of cirripedia]. In J. S. Henslow, On typical objects in natural history. Report of the twenty-fifth meeting of the British Association for the Advancement of Science; held at Glasgow in September 1855. London: John Murray, p. 121.
REVISION HISTORY: Scanned, text prepared and edited by John van Wyhe 11.2007. RN2
NOTE: See record in the Freeman Bibliographical Database, enter its Identifier here. The entire item is provided as images to provide the context for Darwin's contribution which is the only part transcribed.
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On Typical Objects in Natural History.
[Circular.]
Hitcham, Bildeston, Suffolk,
June 1855.
DEAR SIR,
To secure materials for a Report called for by the Natural History Section of the British Association "On a Typical Series of Objects in Natural History adapted to local Museums," I would thank the Members of the Committee to furnish me with the names and addresses of Naturalists whom they know to have paid special attention to particular groups in either the animal, vegetable, or mineral kingdoms. I will then request these parties, as I now do the Members of the Committee, to send me their opinion of
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what objects they regard as most typical of those groups and their principal subdivisions. May I request that returns be made as speedily as convenient, and that they be not delayed beyond the end of this month, or at furthest the middle of the next?
As an example of what may be considered sufficient for the purpose intended, I here subjoin the information afforded me by Mr. Darwin, whose close study of the Cirripedia has rendered him so competent a judge of what may be regarded as the most typical species of this group of animals.
J. S. HENSLOW.
[N.B. — The list referred to is inserted under Crustacea.]
P.S. I would further suggest, that where the best type is not a British object, some British species in addition (the more common the better), belonging to the same group, should be named. These, being superadded to the typical series, will point out the full extent to which the groups illustrated occur in Britain.
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[page] 121 TYPICAL OBJECTS IN NATURAL HISTORY.
The following list for the Cirripedia is communicated by C. Darwin, Esq.
Subclassis CIRRIPEDIA.
Ordo I. THORACICA.
Pollicipes mitella (best type for the order).
| Fam. 1. Balanidæ (sessile Cirripeds). | |
| Subfam. 1. Balaninæ.......... | Balanus tintinnabulum. |
| ——porcatus........ B.1 | |
| 2. Chthamalinæ ...... | Chthamalus stellatus .. B. |
| Catophragmus polymerus (as connecting Balanidæ with Lepadidæ). |
|
| Fam. 2. Verrucidæ.......... | Verruca stromia ...... B |
| 3. Lepadidæ (pedunculated Cirripeds)........ | Lepas anatifera ...... B |
Ordo II. ABDOMINALIA.
Crypiophialus minutus.
Ordo III. APODA.
Proteolepas bivincta.
1 'B' indicates British species.
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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
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