CTAMALCYON. 



INDEX. 



DCNDROPIIILA, 



(^37 



Cyanatcyon, sexual difference in 

 colours of, 457 ; immature plu- 

 mage of, 4-67. 



Cychrus, sounds produced by, 304. 



Cycnia mendiea, sexual diS'erence of, 

 in colour, ;ilB. 



CygnusferuSf trachea of, 374. 



olor, white young of, 482. 



Cyllo Leda, instability of the ocellated 

 spots of, 428. 



Cynant/ius, variation lu the genus, 

 423. 



Cynipidse, proportions of the sexes in, 

 254. 



Cynocephalus, difference Of the young 

 from the adult, 8 ; male, recogni- 

 tion of women by, 8 ; polygamous 

 habits of species of, 217. 



chaciiia. 70. 



gelaila, 81. 



■ hamadryas, 81, 590 ; sexual dif- 

 ference of colour in, 537. 



■ leitcophuSj colours of the sexes 



of, 538. 



— ^ mormon, colours of the male, 

 538, 540, 550. 



porcariiis, mane of the male, 



521. 



CypridiTKt, proportions of the sexes in, 

 255. 



Cyprinidse, proportion of the sexes in 

 the, 249. 



/Indian, 343. 



CyprinodontidsB, sexual differences in 

 the, 335, 337. 



Cyprinus auratus, 342. 



Cypris, relations of the sexes in, 255. 



Cyrtodactylas rubidus, ^54. 



Cystophora-vti^aia^ imai of, 528. 



Dacelo, sexual difference of colour in, 

 457. 



Gaudichaudi, young male of, 



467. 



Dal-ripa, a kind of ptarmigan, 248. 



Damalis albij'rons, peculTai- markings 

 of, 544. 



' pygorga, peculiar markings of, 



543. 



Dampness of climate, supposed influ- 

 ence of, on the colour of the skin, 

 32, 193. 



DanaidiE, 308. 



Dances of birds, 380. 

 Dancing, universality of, 178. 

 Danieli, Dr., his experience of iresi* 



deuce in West Africa, 195. 

 Darfur, protuberances artificially priv- 



duced by natives of, 574. 

 Darwin, ¥., on the stridulation o( 



Vennestes muHmi.^, 302. 

 Dasyc/iira pudilMnda, sexual difference 



of colour in, 316. 

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

 male stag-beetle, 300. 



, J. B., on the capacity of ihe 



skull in various races of men, 54 : 

 on the beards of the Polynesians, 

 560. 

 Death-rate higher in towns than in 



rural districts, 139. 

 Death-tick, 306. 



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

 herited power of moving the scalp, 

 13. 

 Declensions, origin of, 91. 

 Decoration in birds,. 381. 

 Decticus, 285. 



Deer, 233 ; development of the horns 

 in, 233 ; spots of young, 464, 546 ; 

 horns of, 503, 506 ; use of horns 

 of, 510, 518 ; horns of a, in course 

 of modification, 511 ; size of the 

 horns of, 515 ; female, pairing with 

 one male, whilst others are fighting 

 for her, 522 ; male, attracted by 

 the voice of the female, 527 ; male, 

 odour emitted by, 529. 



, Axis, sexual difference in the 



colour of the, 537. 



, fallow, different coloured herds 



of, 540. 



, Mantchurian, 546. 



, Virginian, 546 ; colour of the, 



not affected by castration, 535; 

 colours of, 536. 

 Deerhound, Scotch, greater size of the 



male, 237, 516. 

 Defensive organs of mammals, 518. 

 De Geer, C, on a female spider de 



stroying a male, 273. 

 Dekay, Dr., on the bladder-nose seal, 



528. 

 Delorcnzi, G., division of malar bonej 



39. 

 Demerara, yellow fever in, 194. 

 Dendrocygtia, 46'>. 

 Vendrophila frontalis, young of, 487 



