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In the Indian Calotes nigrilabris there is a still greater difference; the lips also of the male are black, whilst those of the female are green. In the Proctotretus tenuis of Chile the male alone is marked with spots of blue, green, and coppery-red. For Proctotretus, see 'Zoology of the Voyage of the "Beagle"; Reptiles, by Mr. Bell, p. 8.
Callidryas, colours of sexes. Callionymus lyra, characters of the male. Callorhinus ursinus, relative size of the sexes of; courtship of. Calotes maria. Calotes nigrilabris, sexual difference in the colour of. Cambridge, O. Pickard, on the sexes of spiders; on the size of male Nephila. Camel, canine teeth of male.
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