The Descent of Man

ker than in the female; but during the winter
the darker tints gradually fade away and disappear.
I may here mention that Judge Caton
has in his park three races of the Virginian deer,
which differ slightly in colour, but the differences
are almost exclusively confined to the blue
winter or breeding-coat; so that this case may
be compared with those given in a previous
chapter of closely-allied or representative species
of birds, which differ from each other only
in their breeding plumage. (27. 'Ottawa Academy
of Sciences,' May 21, 1868, pp. 3, 5.) The
females of Cervus paludosus of S. America, as
well as the young of both sexes, do not possess
the black stripes on the nose and the blackishbrown
line on the breast, which are characteristic
of the adult males. (28. S. Muller, on the Banteng,
'Zoog. Indischen Archipel.' 1839-1844, tab.
35; see also Raffles, as quoted by Mr. Blyth, in
'Land and Water,' 1867, p. 476. On goats, Dr.
Gray, 'Catalogue of the British Museum,' p. 146;
Desmarest, 'Mammalogie,' p. 482. On the Cer-