INDEX 



817 



Culicidse, 275, 369; attracted by each 

 other's humming, 369. 



OuUen, Dr., on the throat-pouch of the 

 male bustard, 483. 



Oullivation of plants, probable origin 

 of, 180. 



Oupples, Mr., on the numetical propor- 

 tion of the sexes in dogs, sheep, and 

 cattle, 323-324; on the Scotch deer 

 hound, 661 ; on sexual preference in 

 dogs, 616. 



CureulionidsB, sexual difference in 

 length of snout in some, 2T6; horn- 

 like processes in male, 391; musi- 

 cal, 396. 



Curiosity, manifestations of, by ani- 

 mals, 102. 



Curlews, double moult in, 504. 



Cursores, comparative absence of sexual 

 differences among the, 290. 



Curtis, J., on the proportion of the 

 sexes in Athalia, 335-336. 



Cuvier, F., on the recognition of women 

 by male quadrumana, 25. 



, G. , on the number of caudal ver- 

 tebrae in the mandrill, 85 ; on instinct 

 and intelligence, 96 ; views of, as to 

 the position of man, 200; on the 

 position of the seals, 201 ; on Hecto- 

 cotyle, 348. 



Cyanalcyon, sexual difference in colors 

 of, 589; immature plumage of, 602. 



Cyaneeula suecica, sexual differences 

 of, 609. 



Cyclirus, sounds produced by, 398. 



Cycnia mendiea, sexual difference of, 

 in color, 412. 



Cygnus ferus, trachea of, 485. 



olor, white young of, 623. 



Cyllo Jjeda,, instability of the ocellated 

 spots of, 662. 



Cynanthus, variation in the genus, 646. 



Cynipidse, proportions of the sexes in, 

 336. 



Cynocephalus, difference of the young 

 from the adult, 25 ; male, recognition 

 of women by, 25 ; polygamous habits 

 of species of, 287. 



chacma, 101. 



gelada, 116. 



hamadryas, 115, 760; sexual dif- 

 ference of color in, 695. 



leucophus, colors of the sexes of, 



695. 



mormon, colore of the male, 695- 



696, ni. 



Cynocephalus porcarius, mane of the 



male, 672. 

 Cypridina, proportions of the sexes in, 



337. 

 Cyprinidffi, proportion of the sexes in 



the, 329. 



, Indian, 446. 



Cyprinodontidse, sexual differences in 



the, 437, 439. 

 Cyprinus auratus, 446. 

 Cypris, relations of the sexes in, 337. 

 Cyrtodaotylus rubidus, 460. 

 Cystophora cristata, hood of, 682. 



Dacelo, sexual difference of color In, 

 589. 



Q-audichaudi, young male of, 602. 



Dal-ripa, a kind of ptarmigan, 326. 



Damalia albifrons, peculiar markings 

 of, 703-704. 



Damalia pygarga, peculiar markings of, 

 703. 



Dampness of climate, supposed influ- 

 ence of, on the color of the skin, 

 53, 256. 



Danaidaa, 403. 



Dances of birds, 492. 



Dancing, universality of, 238. 



Daniell, Dr., his experience of resi- 

 dence in West Africa, 258. 



Darfur, protuberances ar(.ifleially pro- 

 duced by natives of, 739. 



Darwin, F., on the stridulation of Der- 

 mestes murinus, 395. 



Dasychira pudibunda, sexual difference 

 of color in, 412, 



Davis, A. H., on the pugnacity of the 

 male stag-beetle, 392. 



, J. B., on the capacity of the 



skull in various races of men, 81; 

 on the beards of the Polynesians, 

 722. 



Death-rate higher in towns than in rural 

 districts, 187. 



Death-tick, 400. 



De Candolle, Alph., on a case of in- 

 herited power of moving the scalp, 

 30-31. 



Declensions, origin of, 127. 



Decoration in birds, 495. 



Decticua, 375. 



Deer, 308; development of the horns 

 in, 308; spots of young, 599, 706; 



