INDEX. 



425 



Rata batis, teeth of, ii. 6 



tlaia clavata, female spinea <x: the back, 

 ii. 2; sexual difference in the teeth of, 

 ii. 6. 



Raia maculata, teeth of, ii. G. 



Kails, spur-winged, ii. 44. 



Bam, mode of fighting of the, ii. 233; Afri- 

 can, mane of an. ii. 271 ; fat-tailed, ii. 2T1. 



Rameses II., i. 209. 



Ramsay, Mr., on the Australian Musk- 

 duck, ii. 36; on the Regent-bird, ii. 108; 

 on the incubation of Menura superba, 

 ii. 157. 



Roma esculenta, vocal sacs of, ii. 26. 



Rat. common, general dispersion of, a 

 consequence- of superior cunning, i. 49 ; 

 s applanation of the native, in New 

 Zealand, by the European rat, i. 231; 

 common, said to be polygamous, i. 259 ; 

 numerical proportion of the sexes in, i. 

 296. 



Rats, enticed by essential oils, ii. 267. 



Rationality of birds, ii. 104. 



Rattlesnakes, difference of the sexes in 

 the, ii. 28 ; said to use their rattles as a 

 Sexual call ii. 23. 



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

 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. 



Reduvid^, stridulation of i. 340. 



Reed-bunting, head-feathers of the male, 

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



Reefs, fishes frequenting, ii. 17. 



Regeneration, partial, of lost parts in 

 man, i. 13. 



Re«ent-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 of, among certain 

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



Remorse, i. 87 ; defteiency of, among sav- 

 ages, i. 153. 

 Rengger, on the diseases of Cebus Azarce, 

 \ 11 ; on maternal affection in a Cebus, i. 

 89 ; 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 Azarce, i. 

 52; on the signal-criesof monkeys, i. 55; 

 on the diversity of the mental faculties 



• of monkeys, i. 106; on the Payaguas In- 

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

 peans to savages in their senses, i. 114; 

 on the polygamous habits of Mycetes 

 carat/a, i. 253 ; on the voice of the howl- 

 ing monkeys, ii. 264; on the odor of 

 Cervus campestris, ii. 266 ; on the beards 

 of Mycetes caraya and Pithecia Sa- 

 tanas, ii. 269; on the colors of Felis 

 rnitis, ii. 274; on the colors of Cervus 

 paludosus, ii. 276 ; on sexual differences 

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

 of the infant Guaranys, ii. 303 ; on the 

 early maturity of the female of Cebus 

 Azarce, 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, 

 183. 



Reproduction, unity of phenomena of, 

 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. 



Resemblances, small, between man and 

 the apes, i. 1S4. 



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. 



Rhagium, difference of color in the sexes 

 of a species of, i. 356. 



Ramphcustos carinatus, ii. 217. 



Rhinoceros, nakedness of, i. 143; horns 

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

 251 ; attacking white or gray horses, ii. 

 231. 



Rhynchace, sexes and young of, ii. 193. 



llii i/ncha<M Australis, ii. 193. 



Rhynchcea Bengalensis. ii. 193. 



Rhynchcea 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 nmbellus, ii. 46; on Tetrao uro- 

 phmianus, ii. 56 ; on the drumming of 

 grouse, ii. 60; on the dances of Tetrao 

 phasianelliis, ii. 66 ; on assemblages of 

 grouse, ii. 97; on the battles of mala 

 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-bound, ii, 

 250. 



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



Riedel, on profligate femalo pigeons, ii 

 114. 



