736 INDBX. 



Crprinodontidte, sexaal differences in the, 880, 882. 



(Mrinui auratus, 388. 



C^fpris, relations of the sexes in, 287. 



Cyriodaetylw rvbidus, 402. 



dyttaphora eristata, hood of, 603. 



Daceto, sexual difference of color in, 520; daeelo gaudiehaudi, 

 young male of, 532. 



Dal-ripa, a kind of ptarmigan, 280. 



DanujUu a&ifrons, peculiar markings of, 621 ; damalis pygarga, 

 peculiar markings of, 621. 



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

 skin, 35, 220. 



Danaidse, 350. 



Dances of birds, 431. 



Dancing, universality of, 203. 



Danger signals of animal, 114. 



Daniell, Dr., his experience of residence in West Africa, 223. 



Darfur, protuberances artificially produced by natives of, 655. 



Darwin, F., on the stridulation of Dermestes murinv*, 342. 



Ikuychira pudibunda, 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 Polvnesians, 639. 



Death's Head Sphinx, 349. 



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



Death-tick, 347. 



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

 scalp, 14. 



Declensions, origin of, 103. 



Decoration in birds, 434. 



BecHcus, 323. 



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

 624; horns of, 573, 578; use of horns of, 582, 590; 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; Mantchurian, 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 Geer, C, on a female spider destrojnLng a male, 308. 



De Kay, Dr.. on the bladder-nose seal, 603. 



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



Demerara, yellow fever in, 221. 



Dendroeygna, 529. 



DendrophUa frontalis, young of, 555. 



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

 the Australians, 64; extinction of Tasmanians, 209. 



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



DermetUs murinus, stridulation of, 342. 

 . Descent traced through the mother alone, 672. 



Deserts, protective coloring of animals inhabiting, 557, 



