INDEX. 735 



Crossoptilon auritum, 454, 514, 538; adornment of both sexes of, 

 267; sexes alike in, 524. 



Crotch, G. R., on the stimulation of beetles, 342, 345, on the 

 stridulation of Heliopathes, 345; on the stridulation of Acalles, 346; 

 habit of female deer at hreeding time, 574. 



Crow Indians, long hair of the, 662; young of the, 549. 



Crows, 559; vocal organs of the, 421; living in triplets, 465; crows, 

 carrion, new mates found by, 463; crows, Indian, feeding their blind 

 companions, 116. 



Cruelty of savages to animals, 133. 



Crustacea, parasitic, loss of limbs by female, 235; prehensible feet 

 and antennae of, 237; male, more active than female, 250; partheno- 

 genesis in, 287; secondary sexual characters of, 299; amphipod, males 

 sexually mature while young, 552; auditory hairs of, 648. 



Crystal worn in the lower lip by some Central African women, 656. 



Cuckoo fowls, 270. 



Culicidse, 235, 318; attracted hy each other's humming, 318. 



Cullen, Dr., on the throat-pouch of the male bustard, 423. 



Cultivation of plants, probable origin of, 151. 



Cupples, Mr., on tbe numerical proportion of the sexes in dogs, 

 sheep and cattle. 279; on tbe Scotch deerhound, 589; on sexual 

 preference in dogs, 597. 



Curculionida?, sexual difference in length of snout in some, 236; 

 hornlike processes in male, 338; musical, 341, 342. 



Curiosity manifestations of, by animals, 80. 



Curlews, double moult in, 442. 



Cursores. comparative absence of sexual differences among the, 248. 



Curtis, J., on the proportion of tbe sexes in Athalin, 286. 



Cuvier, F., on the recognition of women hy male quadrumana, 9; 

 Cuvier, G., on the number of caudal vertebrae in tb^ mandril, 65; on 

 instinct and intelligence, 75; views of. as to tbe position of man, 170; 

 on the position of tbe seals, 170; on Hectocotyle, 297. 



Cyanalcyon, sexual difference in colors of, 520; immature plumage 

 of, 532. 



Cyanecula suecica, sexual differences of, 537. 



Cychrus, sounds produced by, 345. 



Cycnia mendica, sexual difference of, in color, 358. 



Cygnus ferns, trachea of, 424; cygnus immutabilis, 550; cygnus 

 olor, whit* young of, 550. 



Cyllo Leda, instability of the ocellated spots of, 486. 



Cynanthus , vaiiation in the genus, 481. 



Cynipidse, proportion of the sexes in, 286. 



lynocfphalus, difference of the young from the adult, 9; male 

 recognition of women by, 9; polygamous habits of species of, 246; 

 cynocephalus babouin, 710; cynocephalus chacma, 79; cynoce.phnlus 

 gelada, 92; cynocephalus hamadryas, 92, 674; sexual difference of 

 color in, 614, 710; cynocephalua leucophus, colors of the sexes of, 

 614, 710; cynocephalus mormon, colors of the male, 614, 710 ; Cyno- 

 cephalus porcarius, inane of the male, 594; cynocephalus sphinx, 710. 



Cynopithecus niger, ear of, 18. 



Vypridina, proportions of the sexes in, 287. 



Cyprinidse, proportion of the sexes in the, 282; cyprinidae, Indian, 

 389. 



