RECORD: Darwin, C. R. 1879.09.02-12. Hedera helix (Ivy) / Draft of Descent. CUL-DAR209.7.53. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2022. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. The draft is mostly in the handwriting of Ebenezer Norman. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR209.7-8 contain notes on heliotropism (phototropism) for Darwin's book Movement in plants (1880).


[53]

Sept 2d. 1879

L. aphaca Ivy

Shoot tied upright with aerial roots now facing N.E. window.

[data not transcribed]

[53v]

71

Chap. 18 17 Mammals – Colour.

sometimes bright yellow or reddish.

Although according to our taste many kinds of monkeys are far from being beautiful, others species are universally admired for their elegant appearance and bright colours. The Semnopithicus nemæus is described as very extremely pretty, though at the same time peculiarly coloured: the orange-coloured tinted face is surrounded by long whiskers of glossy whiteness, with a line of chestnut-red over the eyebrows; the fur on the whole back is of a delicate grey, with but a square patch on the loins; the whole long tail and the forearms are purely white; a gorget of chestnut caps the chest; the hinder thighs are black with be the legs chestnut-red. I will mention only two other monkeys on account for their beauty; which and I have chosen selected them as they present slight sexual differences in colour which rendersing it more in some degree probable that both sexes owe their elegant appearance of both sexes is wholly due to sexual selection.

In the moustache monkey (Ceropithicus cephus) the general colour of the fur is mottled-greenish, with the throat white and with the end of the tail in the male chestnut; but the face is the most ornamented part, the skin being chiefly bluish-grey, shading into a blackish tint beneath the eyes, and with the upper lip of a delicate blue, clothed on the lower edge a thin black

[Descent 2: 310-11: "Although, according to our taste, many kinds of monkeys are far from beautiful, other species are universally admired for their elegant appearance and bright colours. The Semnopithecus nemæus, though peculiarly coloured, is described as extremely pretty; the orange-tinted face is surrounded by long whiskers of glossy whiteness, with a line of chesnut-red over the eyebrows; the fur on the back is of a delicate grey, with a square patch on the loins, the tail and the fore-arms all of a pure white; a gorget of chesnut surmounts the chest; the hind thighs are black, with the legs chestnut red. I will mention only two other monkeys on account of their beauty; and I have selected these as they present slight sexual differences in colour, which renders it in some degree probable that both sexes owe their elegant appearance to sexual selection. In the moustache-monkey (Cercopithecus cephus) the general colour of the fur is mottled-greenish, with the throat white; in the male the end of the tail is chesnut; but the face is the most ornamented part, the skin being chiefly bluish-grey, shading into a blackish tint beneath the eyes, with the upper lip of a delicate blue, clothed on the lower edge with a thin black moustache; the whiskers are orange-coloured, with the upper part black, forming a band which extends backwards to the ears, the latter being clothed with whitish hairs."]


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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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