INDEX. 



435 



Eaia batis, teeth of, ii. 6. 



Baia clavata, female spined on the back, 

 ii. 2 : sexual difference in the teeth otj 

 ii. 6. 



Raia maculafa, teeth of, ii. 6. 



Rails, spur-wing-ed, ii. 44. 



Eam, mode of fighting of the, ii. 2.33 ; Afri- 

 can, mane of an, ii. 271 ; fat-tailed, ii. 271. 



Eameses II., i. 209. 



Eamsat, Mr., on the Australian Musk- 

 duck, ii. 30; on the Regent-bird, ii. 108; 

 on the incubation of Meniira guperba, 

 ii. 157. 



liOna esculerita, vocal sacs of, ii. 26. 



Eat, common, general dispersion of a 

 consequence of superior cunning, i. 49 ; 

 supplantation of the native, in New 

 Zealand, by the European rat, i. 231; 

 common, said to he polygamous, i. 259 ; 

 numerical proportion of the sexes in, i. 

 296. 



Eats, enticed by essential oils, ii. 267. 



Eationality of birds, -ii. 104. 



Rattlesnakes, difference of the sexes in 

 the, ii. 2S ; said to use their rattles as a 

 sexu.al call, ii. 2S. 



Raven, vocal organs of the. ii. 52 ; steahng 

 bright objects, ii. 107; pied, of the Feroe 

 Islands, ii. 121. 



Rays, prehensile organs of male, ii. 1. 



Razor-bill, young of the, ii. 208. 



Reade, Winwood, on the Guinea sheep, i. 

 280; non-development of horns in cas- 

 trated male Guinea-sheep, ii. 236; on the 

 occurrence of a mane in an African ram, 

 ii. 271 ; on the negroes' appreciation of 

 the beauty of their women, ii. 323; on 

 the admiration of negroes for a black 

 skin, ii. 330 ; on the idea of beauty 

 among negroes, ii. 334; on the Jollofs, 

 ii. 341 ; on the marriage-customs of the 

 negroes, ii. 357. 



Reason, in animals, i. 45. 



Redstart, American, breeding in imma- 

 ture plumage, ii. 205. 



Redstarts, new mates found by, ii. 101. 



Redl'vid.e, stridulation of, i. 340. 



Reed-cunting, head-feathers of the male, 

 ii. 91 ; attacked by a bullfinch, ii. 106. 



Reefs, fishes frequenting, ii. 17. 



Regeneration, partial, of lost parts in 

 m.an, i. 13. 



Regent-bird, ii. 108. 



Reindeer, antlers of, with numerous 

 points, ii. 241 ; sexual preferences shown 

 by, ii. 260; horns of the, i. 279; winter 

 change of the, ii. 284 ; battles of, ii. 229 ; 

 horns of the female, ii. 232. 



Relationship, terms of, ii. 344. 



Religion, deficiency o^ among certain 

 races, i. 62 ; psychical elements of, i. 65. 



Remorse, i. 87; deficiency oi, among sav- 

 ages, i. 158. 



Renggeb, on the diseases of Cebtis Azane, 

 i. 11 ; on maternal affection in a Cef/us, i. 

 39 ; revenge taken by monkeys, i. 39 ; on 

 the reasoning powers of American mon- 

 keys, i. 45; on the use of stones by mon- 



keys for cracking hard nuts, i. 49; on 

 the sounds uttered by Cebus Azara, i. 

 52 ; on the signal-cries of monkeys, i. 55 ; 

 on the diversity of the mental "faculties 

 of monkeys, i. i06 ; on the P.ayaguas In- 

 dians, i. 112; on the inferiority of Euro- 

 peans to savages in their senses, i. 114; 

 on the polygamous habits of Mi/ce/e.s 

 earaya, i. 253 ; on the voice of the howl- 

 ing monkeys, ii. 264; on the odor of 

 Cervus campestris, ii. 266 ; on the beards 

 of Mycetea caraya and PWiecia Sa- 

 tana.% ii. 269; on the colors of Fells 

 mitU. ii. 274; on the colors of Cervus 

 pa/udosiis, ii. 276; on sexual differences 

 of color in Myeetes, ii. 277 ; on the color 

 of the infant Guaranys, ii. 303 ; on the 

 early matui-ity of the female of Cehus 

 Azarm, ii. 303; on the beards of the 

 Guaranys, ii. 307 ; on the emotional notes 

 employed by monkeys, ii. 320 ; on Ameri- 

 can polygamous monkeys, ii. 346. 



Representative species, of birds, ii. 182, 

 18.3. 



Reproduction, unity of phenomena ofj 

 throughout the mammalia, i. 13 ; period 

 of, in birds, ii. 205. 



Reproductive system, rudimentary 

 structures in the, i. 29; accessory parts 

 of, i. 199. 



Reptiles, ii. 26. 



Reptiles and birds, alliance of, i. 204. 



Rese.mblances, sniaU, between man and 

 the apes, i. 184. 



Retrievers, exercise of reasoning faculties 

 by, i. 46. 



Revenge, manifested by animals, i. 39. 



Reversion, i. 117; perhaps the cause of 

 some bad dispositions, i. 166. 



lihagium, difference of color in the sexe.s 

 of a species o^ i. 356. 



EampluKtos carinatiis, ii. 217. 



RniNOCEROs, nakedness of, i. 143; horns 

 of ii. 236 ; horns of, used defensively, ii. 

 251 ; attacking white or gray horses, ii. 

 281. 



Jthyneham, sexes and young of, ii. 193. 



RhyncJuue Au^tralis, ii. 193. 



RhynichcEa Bengalenms, ii. 193. 



Bhynchcea capensis, ii. 193. 



Rhythm, perception of, by animals, ii. 317. 



Richard, M., on rudimentary muscles in 

 man, i. 19. 



Richardson, Sir J., on the pairing of 

 Tetrao ^^mbellull/n. i()\ on Tetrao uro- 

 pha»ianus, ii. 56 ; on the drumming of 

 grouse, ii. 60 ; on the dances of Tetrao 

 jyhasianeUiw. ii. 66; on assemblages of 

 grouse, ii. 97; on the battles of male 

 deer, ii. 229 ; on the reindeer, ii. 233 ; on 

 the horns of the musk-ox, ii. 236; on 

 antlers of the reindeer, with numerous 

 points, ii. 241 ; on the moose, ii. 247^ 



Richardson, on the Scotch deer-hound, ii. 

 250. 



Richter, Jean Paul, on imagination, i. 44. 



Riedel, on profligate femalg pigeons, ii. 

 114. 



