INDEX. 745 



Gammarus, use of the chelae of, 803; yammarus marinus, 305. 

 Gannets, white only when mature, 500. 

 Ganoid fishes, 180/187- 

 (jiaour. horns ol' the, 070. 



Gap between man and the apes. 177. 



Gaper, hexes and young of, 553. 



Gardner, on an example of rationality in a Gelasimus t 305. 



Gurrnliifs yltinddriux, 463 



Gartner, on sterility of hybrid plants, 196. 



Gasteropoda, 297. pulmoniferous, courtship of, 297. 



Gnxteruxtetix, 249, mdification of, 391; (j (later oatt as leiurus, 376, 

 380. 391; yii.titervisttiHf trtirhurttH, 37G. 



Qttittro'pltoi'ti, wing's of, brightly colored beneath, 357. 



(jlauchos, want of bunianity among the, 139. 



Gatidry, M., on a fossil monkey, 175. 



GIICUI, seasonal change of plumage in, 561. 



(ieese, clanging noise made by, 418. pairing of different species of, 

 471; Canada, selection of mates by, 471, 473. 



Gegenbaur, C., on the number of digits in the Ichthyopterygia, 

 42, oil the hermaphroditism of the remote progenitors of the verte- 

 brata, 183; two types of nipple in mammals, 184. 



Gclnxi'tuHx, proportions ol the sexes in a species of, 288; use of the 

 enlarged chela? of the male, 303; pugnacity of males of, 305; 

 rational actions of a, 305; difference of color iu'the sexes of a species 

 of, 307. 



Gemmnles. dormant in one sex. 261. 



Genius, 31; hereditary, 043, 644, fertility of men and women of, 

 154. 



Geoffroy- Saint llilaire. Isid., on the recognition of women by male 

 qmulrumana, 9 ; on monstrosities, 33 ; coincidences of arrested 

 development with polydactylism, 42; on animal-like anomalies in the 

 human structure, 45. on the correlation of monstrosities. 49; on the 

 distribution of hair in man and monkeys, 04. on the caudal vertebra? 

 of monkeys, 05; on correlated variability. C8; on the classification of 

 man. 167;* on the long hair on thu heads of species of tiemnopithccux, 

 171; on the hair in monkeys, 112, on the development of huns in 

 female deer, 574; and F. Cuvier, on the mandrill, 614; on llylobates, 

 030. 637 



Geographical distribution, as evidence of specific distinctions in 

 man, 192. 



Geometnp, brightly colored beneath, 357. 



(hophttyu*, frontal piotuberance of male, 385, 392; eggs hatched 

 by the male, in the mouth or branchial cavity. HJ>2 



Georgia, change of color in Germans settled in, 223. 



GaotriipCK, strid illation of, 343, 345. 



Geibe, JS1., 011 the nest-building of Cicnilaliis massa and C. melops 

 391. 



Gerland, Dr., on the prevalence of infanticide, 132, C59, G76; on 

 the extinction of races, 207. 



Gervais, P., on the hairiness of the gorilla, G4; on the mandrill, 

 C14. 



Gesture-language, 203. 



Uhost-uiotii, sexual difference of color in the, 358. 



