FREFEEENCE. 



INDEX. 



QUATREFAGES. 



457 



Preference for males by female 

 bii'ds, ii. 113, 122 ; shown by mam- 

 mals, in pairing, ii. 268. 



Prehensile organs, i, 256. 



Presbytis entellus, fighting of the 

 male, ii. 32-J-. 



Preyer, Dr., on supernumerary mam- 

 mae in women, i. 125. 



Prichard, on the difterence of stature 

 among the Polynesians, i. 115 ; on 

 the connection between the breadth 

 of the skull in the Mongolians and 

 the perfection of their senses, i. 

 119 ; on the capacity of British 

 skulls of ditferent ages, i. 146 ; on 

 the flattened heads of the Colombian 

 savages, ii. 340 ; on Siamese notions 

 of beauty, ii. 345 ; on the beard- 

 lessness of the Siamese, ii. 349 ; on 

 the deformation of the head among 

 American tribes and the natives of 

 Arakhan, ii. 352. 



Primary sexual organs, i. 254. 



Primates, i. 190 ; sexual differences 

 of colour in, ii. 290. 



Primogeniture, evils of, i. 170. 



Primula, relation between number 

 and size of seeds in, i. 317. 



Prionid^e, difference of the sexes in 

 colour, i. 367, 



Froctotretus multimaculatus, ii. 26, 

 37. 



Froctotretus tenuis, sexual difference 

 in the colour of, ii. 37. 



Profligacy, i. 173. 



Progenitors, early, of man, i. 206. 



Progress, not the normal rule in 

 human society, i. 166 ; elements 

 of, i. 177. 



Prong-horn, horns of, i. 289. 



Proportions, difterence of, in distinct 

 races, i. 216. 



Protective colouring in butterflies, 

 i. 392 ; in lizards, ii. 37 ; in birds, 

 ii. 197, 223 ; in mammals, ii, 298, 

 299. 



Protective nature of the dull colour- 

 ing of female Lepidoptera, i. 403, 

 405, 414. 



Protective resemblances in fishes, 



ii. 18. 

 Protozoa, absence of secondary sex- 

 ual characters in, i. 321. 

 Pruner-Bey, on the occurrence of 



the supra-condyloid foramen in the 

 humerus of man, i. 29 ; on the 

 colour of negro infants, ii, 318, 



Prussia, numerical proportion of male 

 and female births in, i. 301. 



Fsocus, proportions of the sexes in, i. 

 314. 



Ptarmigan, monogamous, i, 269 ; 

 summer and winter plumage of the, 

 ii. 81, 83 ; nuptial assemblages of, 

 ii. 101 ; triple moult of the, ii, 

 181 ; protective coloration of, ii, 

 198. 



Puff-birds, colours and nidification 

 of the, ii. 171. 



Pugnacity of fine-plumaged male 

 birds, ii. 93. 



Pumas, stripes of young, ii. 183. 



Puppies learning from cats to clean 

 their faces, i. 44. 



Pycnonotus hfemorrhous, pugnacity of 

 the male, ii. 41 ; display of under 

 tail coverts by the male, ii. 96. 



Pyranga sestiva, male aiding in incu- 

 bation, ii. 167. 



Pyrodes, difference of the sexes in 

 colour, i. 367. 



Q. 



QuADRUMANA, hands of, i. 139 ; dif- 

 ferences between man and the, i. 

 190 ; dependence of, on climate, i. 

 218; sexual differences of colour 

 in, ii. 290 ; ornamental characters 

 of, ii. 306 ; analogy of sexual dif- 

 ferences of, with those of man, ii. 

 318 : fighting of males for the 

 females, ii. 324; monogamous habits 

 of, ii. 361 ; beards of the, ii. 378. 



QuAiN, R., on the variation of the 

 muscles in man, i. 109. 



QuATREFAGES, A. de, on the occur- 

 rence of a rudimentary tail in man, 

 i. 29 ; on the moral sense as a dis- 

 tinction between man and animals, 

 i. 70; on variability, i, 112; on 

 the fertility of Australian women 

 with white men, i. 221; on the 

 Paulistas of Brazil, i. 225 ; on the 

 evolution of the breeds of cattle, i, 

 230 ; on the Jews, 1. 242 ; on the 

 liability of negroes to tropical fevers 



