CYANALCYON. 



INDEX. 



DENDROPH1LA. 



637 



Cyanalcyon, sexual difference in 

 colours of, 457 ; immature plu- 

 mage of, 467. 



Cychrus, sounds produced by, 304. 



Cycnia mendica, sexual difference of, 

 in colour, 316. 



Cygnus ferns, trachea of, 374. 



■ olor, white young of, 482. 



Cyllo Leda, instability of the ocellated 

 spots of, 428. 



Cynanthus, variation in the genus, 

 423. 



Cynipidse, proportions of the sexes in, 

 254. 



Cynocephahis, difference of the young 

 from the adult, 8 ; male, recogni- 

 tion of women by, 8 ; polygamous 

 habits of species of, 217. 



chacnia. 70. 



gelada, 81. 



■ hamadryas, 81, 590 ; sexual dif- 

 ference of colour in, 537. 



leucophus, colours of the sexes 



of, 538. 



mormon, colours of the male, 



538, 540, 550. 



■ porcarius, mane of the male, 



521. 

 Cypridina, proportions of the sexes in, 



255. 

 Cyprinidas, proportion of the sexes in 



the, 249. 



, Indian, 343. 



Cyprinodontida;, sexual differences in 



the, 335, 337. 

 Cyprinus auratus, 342. 

 Cypris, relations of the sexes in, 255. 

 Cyriodactylus rubidus, 354. 

 Cystophora a'istuta, hood of, 528. 



Dacelo, sexual difference of colour in, 

 457. 



Gaudichaudi. young male of, 



467. 



Dal-ripa, a kind of ptarmigan, 248. 



Damalis aibifrons, peculiar markings 

 of, 544. 



' P'j9 ar( J a i peculiar markings of, 



543. ' 



Dampness of climate, supposed influ- 

 ence of, on the colour of the skin, 

 32, 193. 



Panaidae, 308. 



Dances of birds, 380. 



Dancing, universality of, 178. 



Daniell, Dr., his experience of resi- 

 dence in West Africa, 195. 



Darfur, protuberances artificially pro- 

 duced by natives of, 574. 



Darwin, ¥., on the stridulation ox 

 Dermestes murinus, 302. 



Dasychira pudibunda, sexual difference 

 of colour in, 316. 



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

 male stag-beetle, 300. 



, J. B., on the capacity of the 



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 Candolle, 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 Real, 



528. 

 Delorenzi, G., division of malar bone, 



39. 

 Demerara, yellow fever in, 194. 

 Dendrocygna, 465. 

 Dendrophila frontalis, young of, 487. 



