658 



INDEX. 



Protective coloring in butterflies, 



308; in lizards, 354; in birds, 467, 



484; in mammals, 537. 

 nature of the dull coloring 



of female Lepidoptera, 317, 318, 



321. 



resemblances in fishes, 340. 



Protozoa, absence of secondary 

 sexual characters in, 257. 



Pruner-Bey, on the occurrence of 

 the supra-condyloid foramen in 

 the humerus of man, 22; on the 

 color of negro infants, 563. 



Prussia, numerical proportion of 

 male and female births in, 237. 



Psocus, proportions of the sexes 

 in, 251. 



Ptarmigan, monogamous, 215: 

 summer and winter plumage of 

 the, 385, 386; nuptial assemblages 

 of, 400; triple moult of the, 466; 

 protective coloration of, 468. 



Puff-lDirds, colors and nidiflcation 

 of the, 449. 



Pugnacity of fine-plumaged male 

 birds, 395. 



Pumas, stripes of young, 458. 



Puppies learning from cats to 

 clean their faces, 71. 



Pycnonotus, hsemorrhous, pug- 

 nacity of the male, 357; display 

 of under tail coverts by the 

 male, 396. 



Pyranga ffistiva, male aiding in 

 incubation, 447. 



Pyrodes, difference of the sexes 

 in color, 291. 



Q 



Quadrumana, hands of, 48; differ- 

 ences between man and the, 145; 

 sexual differences of color in, 

 532; ornamental characters of, 

 543; analogy of sexual differ- 

 ences of, with those of man, 

 553; fighting of males for the 

 females, 657; monogamous habits 

 of. 585; beards of the, 596. 



Quain, E., on the variation of the 

 muscles in man, 26. 



Quatrefages, A. de, on the oc- 

 currence of a rudimentary tail 

 in man, 22; on variability, 29; 

 on the moral sense as a distinc- 

 tion between man and animals, 

 94; civilized men stronger than 

 savages, 132; on the fertility of 

 Australian women with white 

 men, 166; on the Paulistas of 

 Brazil, 169; on the evolution of 

 the breeds of cattle, 173; on the 

 .Tews, 1S8; on the liability of 

 negroes to tropical fevers after 

 residence in a cold climate, 189; 

 on '^3 difference between field- 

 and house-slaves, 191; on the i"!- 

 fluence of climate on color, 191; 

 colors of annelids, 261; on the 



Ainos, 556; on the women of San 

 Giuliano, 581. 



Querquedula acuta, 409. 



Quetelet, proportion of sexes in 

 man, 237; relative size in man 

 and woman, 238. 



Quichua Indians, 33; local varia- 

 tion of color in the, 191; no gray 

 hair among the, 564; hairlessness 

 of the, 666; long hair of the, 574. 



Quiscalus major, 220; proportions 

 of the sexes of, in Florida and 

 Honduras, 244. 



R 



Rabbit, white tail of the, 537. 



Rabbits, domestic, elongation of 

 the skull in, 64; modification of 

 the skull in, by the lopping of 

 the ear, 54; danger-signals of, 

 97; numerical proportion of the 

 sexes in, 241. 



Races, distinctive characters of, 

 163, 164; or species of man, 164; 

 crossed, fertility or sterility of, 

 166; of man, variability of the, 

 170; of man, resemblance of, in 

 mental characters, 174; forma- 

 tion of, 176; of man, extinction 

 of, 177; effects of the crossing 

 of, 187; of man, formation of the, 

 187; of man, children of the, 552; 

 beardless, aversion of, to hairs 

 on the face, 574. 



Raflles, Sir S., on the banteng. 

 532. 



Rafts, use of, 47, 175. 



Rage, manifested by animals, 67. 



Raia batis, teeth of, 331. 



clavata, female spined on 



the back, 327; sexual difference 

 In the teeth of, 331. 



■ maculata, teeth of, 331. 



Rails, spur-winged, 360. 



Ram, mode of fighting of the, 504; 

 African, mane of an, 528; fat- 

 tailed, 528. 



Rameses II., features of, 164. 



Ramsay, Mr., on the Australian 

 musk-duck, 355; on the regent 

 bird, 408; on the incubation of 

 Menura superba, 445. 



Rana esculenta, vocal sacs of, 346. 



Rat, common, general dispersion 

 of, a consequence of superior 

 cunning, 78; supplantation of the 

 native, in New Zealand, by the 

 European rat, 186; common, said 

 to be polygamous, 214; numeri- 

 cal proportion of the sexes in, 

 241. 



Rats, enticed by essential oils. 

 525. 



■^■^tionality of birds, 405. 



Kattle-snakes, difference of the 

 sexes in the, 347; rattles as a 

 call, 349. 



