GAMMARUS. 



INDEX. 



GIBB. 



431 



on civilised nations, i, 168 ; ou the 

 sterility of sole daughters, i. 170 ; 

 on the degree of fertility of people 

 of genius, i. 171; on the early 

 marriages of the poor, i. 173 ; on 

 the ancient Greeks, i. 177 ; on the 

 Middle Ages, i. 178 ; on the pro- 

 gress of the U^nited States, i. 179 ; 

 on South African notions of beauty, 

 ii. 347. 



Gammarus, use of the chelae of, i. 

 331. 



Gainmarus marinus, i, 334. 



Ganxets, white only when mature, 

 ii. 228. 



Ganoidei, i. 204. 



Ganoid fishes, i. 212. 



Gaour, horns of the, ii. 247. 



Gap between man and the apes, i. 

 200. 



Gaper, sexes and young of, ii. 217. 



Gardner, on an example of ration- 

 ality in a Gelasimus, i. 334. 



Garrulus glandarius, ii. 104. 



Gartner, on sterility of hybrid 

 plants, i. 223. 



Gasteropoda, i. 324; pulmoniferous, 

 courtship of, i. 324. 



Gasterosteus, i. 271 ; nidification of, 

 ii. 20. 



Gasterosteus leiurus, ii. 2, 14, 20. 



Gasterosteus trachurus, ii. 2. 



Gastrophora, wings of, brightly co- 

 loured beneath, i. 397. 



GauchoS, want of humanity among 

 the, i. 101. 



Gaudry, M., on a fossil monkey, i. 

 197. 



Gavia, seasonal change of plumage 

 in, ii. 228. 



Geese, clanging noise made by, ii, 

 51 ; pairing of different species of, 

 ii. 114; Canada, selection of mates 

 by, ii. 116. 



Gegenbaur, C, on the number of 

 digits in the Ichthyopterygia, i. 

 125 ; on the hermaphroditism of 

 the remote progenitors of the ver- 

 tebrata, i. 207. 



Gelasimus, use of the enlarged chela 

 of the male, i. 331 ; pugnacity of 

 males of, i. 333 ; proportions of 

 the sexes in a species of, i. 315 ; 

 rational actions of a, i. 334 ; difier- 



ence of colour in the sexes of a 

 species of, i. 336. 



Gemmules, sexual selection of, i. 285. 



Genesis, i, 318. 



Genius, ii. 328 ; hereditary, i. 111. 



Genius, fertility of men and women 

 of, i. 171. 



Geoffroy-Saint-Hilaire, Isid., on 

 the recognition of women by male 

 quadrumana, i. 13 ; on the occur- 

 rence of a rudimentary tail in man, 

 i. 29; on monstrosities, 1. 113; 

 on animal-like anomalies in the 

 human structure, i. 125 ; on the 

 correlation of monstrosities, i. 130 ; 

 on the distribution of hair in man 

 and monkeys, i. 149 ; on the caudal 

 vertebra3 of monkeys, 1, 150 ; on 

 correlated variability, i. 151 ; on 

 the classification of man, 1. 186 ; 

 on the long hair on the heads of 

 species of Seimiopithecus, 1. 192 ; 

 on the hair in monkeys, i. 194 ; ou 

 the development of horns in female 

 deer, ii. 244 ; and F. Cuvier, on the 

 mandrill, ii. 293 ; on Hvlobates, ii. 

 318, 320. 



Geographical distribution, as evi- 

 dence of specific distinctions in man, 

 i. 218. 



Geometry, brightly coloured be- 

 neath, i. 397. 



G eopJiagus, frontal protuberance of 

 male, ii. 13, 20 ; eggs hatched by 

 the male, in the mouth or bran- 

 chial cavity, ii. 200. 



Georgia, change of colour in Ger- 

 mans settled in, i. 246. 



Geotrupes, stridulation of, i. 380, 382. 



Gerbe, M., on the nest-building of 

 Crenilabnts massa and C. melopjs, 

 ii. 19. 



Gerland, Dr., on the prevalence of 

 infantrcide, i. 94 ; ii. 344, 364 ; ou 

 the extinction of races, i. 237, 238. 



Gervais, p., on the hairiness of the 

 gorilla, i. 149 ; ou the mandrill, ii. 

 293. 



Gesture-language, i. 232. 



Ghost-moth, sexual difference of 

 colour in the, i. 399, 402. 



Gibb, Sir D., on differences of the 

 voice in different races of men, ii. 

 330. 



