INDEX. 745 



Oammarus, nse of the chelse of, 303; gammarus tnarinMS, 305. 



Gannets, white only when mature, SlSO. 



Ganoid fishes, 180, 187. 



Gaour, horns of the, 576. 



Gap between man and the apes, 177. 



Gaper, sexes and young of, 553. 



Gardner, on an example of rationality in a GekuimuSy 305. 



Garrulus gUindariu, 463. 



Gartner, on sterility of hybrid plants, 196. 



Gasteropoda, 297. pulmoniferous, courtship of, 297. 



GanUrotieuiy 249, nidification of, 391; gcuierosUug leiurus, 376, 

 386, 391; gasterosteus tracJiurus, 376. 



GaMropfiora, wings of, brightly colored beneath, 357. 



Gauchos, want of humanity among the, 139. 



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



Gatfia, seasonal change of plumage in, 561. 



Geese, 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, on the hermaphroditism of the remote progenitors of the verte- 

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



Gelcuimug, proportions of the sexes in a species of, 288; use of the 

 enlarged chelae of the male, 303; pugnacity of males of, 305; 

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

 of, 307. 



Gemmules, dormant in one sex, 261. 



Genius, 31 ; hereditary, 643, 644, fertility of men and women of, 

 154. 



Geoffrey- Saint-Hilaire, Isid., on the recognition of women by male 

 quadrumana, 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, 64; on the caudal vertebrae 

 of monkeys, 65; on correlated variability, 68; on the classification of 

 man, 167; on the long hair on the heads of species of Semnopitheeus, 

 171; on the hair in monkeys, 172, on the development of horns in 

 feuiale deer. 574; and F. Cuvier, on the mandrill, 614; on Hylobates, 

 636,637 



Geographical distribution, as evidence of specific distinctions in 

 man, 192. 



Geometrae, brightly colored beneath. 357. 



Geophagus, frontal protuberance of male, 385. 392; ^;gs hatched 

 by the male, in the mouth or branchial cavity, 392. 



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



Geotrupes, stridulation of, 343, 345. 



Gerbe, M., on the nest-building of Crenilabus nuuaa and C. mdopt 

 391. 



Gerland, Dr., on the prevalence of infanticide, 132, 659, 676; on 

 the extinction of races, 207. 



Gervais, P., on the hairiness of the gorilla, 64; on the mandrill, 

 614. 



Gesture language, 203. 



Ghost-moth, sexual difference of color in the, 358. 



