736 INDEX. 



Cyprinodontidse, sexnal differences in the, 380, 383. 



t'ypriii'us auratus, 388. 



C'-f/pris. relations of the sexes in, 287. 



(jyrtudactylus rubidus, 402. 



(Jyttophwa cristata, liood of, 603. 



DaccLo, sexual difference of color in, 520; dacelo gaudicJiaudi, 

 young- male of, 532. 



J)al-ri)>a, a kind of ptarmigan, 280. 



Damnlis aibifrons, peculiar markings of, 621 ; damalis pygarga, 

 peculiar markings of, 621. 



Dampness of climate, supposed influence of, on the color of the 

 skin, 35, 220. 



Panaida?, 350. 



Dances of birds, 431. 



Dancing, universality of, 203. 



Danger signals of animal, 114. 



Daniel), Dr., his experience of residence in West Africa, 222. 



Darfur, protuberances artificially produced by natives of, 655. 



Darwin, F., on the stridulation of Dermestes murinvs, 342. 



Duxychira pudihunda, sexual difference of color in, 358. 



Davis, A. H., on the pugnacity of the male stag-beetle, 339; Davis, 

 J. B., on the capacity of the skull in various races of men, 60; on 

 the beards of the Polynesians, 639. 



Death's Head Sphinx, 349. 



Death-rate higher in towns than in rural districts, 157. 



Death-tick, 347. 



De Caudolle, Alph., on a case of inherited power of moving the 

 scalp, 14. 



Declensions, origin of, 103. 



Decoration in birds, 434. 



Dec tic us, 323. 



Deer, 265. development of the horns in, 265; spots of young, 529, 

 624; horns of, 573, 578; use of horns of, 582, 580; horns of a, in 

 course of modification, 584; size of the horns of. 587; female, pair- 

 ing with one male, while others are fighting for her, 595; male, 

 attracted by the voice of the female, 600; male, odor emitted by 605; 

 Axis, sexual difference in the color of the. 612; fallow, different 

 colored herds of, 617; Mantclmrian, 623; Virginian, 624; color of 

 the, not affected by castration, 611; colors of, 612. 



Deerhound, Scotch, greater size of the male, 269, 589. 



Defensive orders of mammals, 590. 



De (jeer, C., on a female spider destroying a male, 308. 



De Kay, Dr.. on the biadder-nose seal* 603. 



Delorenzi, G., division of malar bone, 44. 



Demerara, yellow fever in, 221. 



DendrocyyiHt. 529. 



Dendrophttit frontnlis, young of, 555. 



Denison, Sir W., manner of ridding themselves of vermin among 

 the Australians, 64; extinction of Tasmanians, 209. 



Denny, H., on the lice of domestic animals, 193. 



Dermestes mitrinua, stridulation of, 342. 



Descent traced through the mother alone, 672. 



Deserts, protective coloring of animals inhabiting, 557. 



