RECORD: Darwin, C. R. n.d. Abstract (many references): On big genera varying &c &c. CUL-DAR15.1.B40. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR15.1 contains calculations and tables and drafts of part 2 of Darwin's 'big book' Natural Selection F1583.


35

On Big Genera Varying &c &c

4to Pamphlets Bunbury on only 2 Acacia at Cape yet commonest lus

8vo. Pamph. 85 Adams on range of varieties

Eding. New Phil. Journal Nr 55. p 175. on not widest or largest genera which afford the most sporadic species. — on size of genera & range of species

Geolog. Journal 19/227 Higher the forms, more distinctly defined its geological horizon.—Before this some reference showing greater range & duration of acephalous gasteropods, than of higher gasteropods

― 48/313 Exceptions to above rule (see my Index)

Lyell's Manual 3d. Edit 1851 p. 230 on nummulite forming stages of species

Memoire du Mus. p. 8.  Aug St. Hilaire on wide ranging plants varying

18 Annal des Sc. 3d. Sc. Zoolog. on unequal affinity of species of same genus

29 Wollaston Madeira p. 18 MS. on the wide ranges even in Madeira varying most p. 32. do p. 19 Exception

42. Murchison p. 8. on many individual Brachiopods favouring appearance of new species or forms


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 7 September, 2023