INDEX. 



659 



Haven, vocal organs of the, 366; 

 stealing bright objects, 408; pied, 

 of the Peroe Islands, 418. 



Rays, prehensible organs of male, 

 327. 



Razor-bill, young of the, 481. 



Reade, Winwood, suicide among 

 savages in Africa, 113; mulat- 

 toes not prolific, 167; effect of 

 castration of horned sheep, 502; 

 on the Guinea sheep, 230; on the 

 occurrence of a man© in an Af- 

 rican ram, 528; on the negroes' 

 appreciation of the beauty of 

 their women, 572; on the admira- 

 tion of negroes for a black skin, 

 573; on the idea of beauty among 

 negroes, 676; on the JoUofs, 582; 

 on the marriage-customs of the 

 negroes, 593. 



Reason, in animals, 73. 



Redstart, American, breeding in 

 immature plumage, 479. 



Redstarts, new mates found by, 

 403. 



Reduvidse, stridulation of, 278. 



Reed-bunting, head feathers of 

 the male, 396; attacked by a 

 bullfinch, 407. 



Reefs, fishes frequenting, 339. 



Reeks, H., retention of horns by 

 breeding deer, 499; cow rejected 

 by a bull, 520; destruction of pie- 

 bald rabbits by eats, 537. 



Regeneration, partial, of lost 

 parts in man, 8. 



Regent-bird, 408. 



Reindeer, horns of the, 228; bat- 

 tles of, 497; horns of the female, 

 499; antlers of, with numerous 

 points, 506; winter change of 

 the, 537; sexual preferences 

 shown by, 518. 



Relationship, terms of, 588. 



Religion, deficiency of, among 

 certain races, 91; psychical ele- 

 ments of, 92. 



Remorse, 111; deficiency of, 

 among savages, 128. 



Rengger, on the diseases of Cebus 

 Azaras, 7; on the diversity of 

 the mental faculties of mon- 

 keys, 26; on the Payaguas In- 

 dians, 31; on the inferiority of 

 Europeans to savages in their 

 senses, 32; revenge taken Wy 

 monkeys, 67; on maternal affec- 

 tion in a Cebus, 68; on the rea- 

 soning powers of American 

 monkeys, 75; on the use of 

 stones by monkeys for crack- 

 ing hard n»ts, 78; on the sounds 

 uttered by Cebus" Azarse, 82; on 

 the signal-cries of monkeys, 85; 

 on the polygamous habits of 

 Mycetes caraya, 213; on the 

 voice of the howling monkeys, 

 523; on the odor of Cervus cam- 

 pestris, 524; on the beards of 

 Mycetes caraya and Pithecia 



Satanas, 527; on the colors of 

 Pelis mitis, 530; on the colors of 

 Cervus paludosus, 532; on sexual 

 differences of color in Mycetes, 

 532; on the color of the infant 

 Guaranys, 553; on the early ma- 

 turity of the female of Cebus 

 azarse, 553; on the beards of the 

 Guaranys, 556; on the emotional 

 notes employed by monkeys, 566; 

 on American polygamous mon- 

 keys, 585. 



Representative species, of birds, 

 462. 



Reproduction, unity of phenom- 

 ena of, throughout the mamma- 

 lia, 8; period of, in birds, 479. 



Reproductive system, rudimen- 

 tary structures in the, 23; ac- 

 cessory parts of, 156. 



Reptiles, 346. 



and birds, alliance of, 169. 



Resemblances, small, between 

 man and the apes, 146. 



Retrievers, exercise of reasoning 

 faculties by, 75. 



Revenge, manifested by animals, 

 67. 



Reversion, 35; perhaps the cause 

 of some bad dispositions, 134. 



Rhagium, difference of color in 

 the sexes of a species of, 292. 



Rhamphastos carinatus, 487. 



Rhea darwinii, 473. 



Rhinoceros, nakedness of, 55; 

 horns of, 501; horns of, used de- 

 fensively, 513; attacking white 

 or gray horses, 535. 



Rhynchsea, sexes and young of, 

 470. 



australis, 470. 



bengalensis, 470. 



capensis, 471. 



Rhythm, perception of, by ani- 

 mals, 564. 



Richard, M., on rudimentary mus- 

 cles in man, 12. 



Richardson, Sir J., on the pairing 

 of Tetrao umbellus, 362; on Te- 

 trao urophasianus, 368; on the 

 drumming of grouse, 371; on the 

 dances of Tetrao phasianellus, 

 376; on assemblages of grouse, 

 400; on the battles of male deer, 

 497; on the reindeer, 499; on the 

 horns of the musk-ox, 501; on 

 antlers of the reindeer with 

 numerous points, 506; on the 

 moose, 511. 



, on the Scotch deerhound, 



512. 



Richter, Jean Paul, on imagina- 

 tion, 72. 



Riedel, on profiigate female 

 pigeons, 412. 



Riley, Mr., on mimicry in butter- 

 flies, 320; birds' disgust at taste 

 of certain caterpillars, 322. 



Ring-ouzel, colors and nidiflcation 

 of the, 449. 



