The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1872.02.22. The only case besides the Argus is that of the genus Brahmæa. CUL-DAR89.55. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 11.2021. 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 volumes CUL-DAR 87-90 contain material for Darwin's book Descent of man 2d ed. (1874-1877).

[55]

[in margin:] Descent

Feb 22d /72/ The only case besides the Argus is that of the genus Brahmæa (Saturnidæ) in which, as Mr Butler has observed, there is a fine ocellus in middle of upper wing of B. certhia which when placed in better light for the proper shading appears like a strong convex surface, not strictly spherical, rising out of a coal black cavity. There are ocelli in the margin of wing of B. Swanzii but these do not appear to me to appear owing to shading, so convex. ball-like

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