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Show 300 SEXUAL SELEC'l'ION: MAl\11\IALS. l'Al~T JJ. singular colours and 'marks of many other antelopes, though common to both S<'Xel', have been gained and transmitted in a like manner. Both sexes, for instance, of tho Koodoo (Strepsice1·os J(udu, fig. 62) have nar- Fig. tiS. Trugclaphus scrlptus, male (from the Knowsley l\lenageric). row w bite vertical lines on their hinder flanks, and an elegant angular white mark on their foreheads. Both sexes in the genus Dai:nalis are very oddly coloured ; in D. pyga·rga the back and neck aro purplish-rod, shading on the flanks into black, and abruptly separated from the· ('IIAI'. X\'1II. EQUAL TRANSMISSION. 301 white belly and a large white space on the buttocks; tho head is still more oddly coloured, a larO'e oblong 1 . b w ute mask, narrowly-edged with black, covers the face up to the eyes (fig. 69) ; there are three white stripes on the forehead, and the ears are marked with white. Tho fawns of this species are of a uniform pale yelJow- Fig. 69. Dllmalis pygnrgu, male (from the Knowslcy Menagerie). ish-bro~vn. In DamaUs. albifrons the colonring of the head differs from that m the last species in a sinO'le white stripe replacing the three stripes, and in the e~rs being almost wholly whiteY After having studied to 37 ~e~ the ~ne plates in A. Smith's 'Zoology of S. Africa,' and Dr. Grays Oleamngs from the l\Ienngeric of Knowslcy.' |