636 



INDEX. 



Gammarus, use of the chelae of, 

 265. 



marinus, 266. 



Gannets, white only when ma- 

 ture, 488. 



Ganoid fishes, 154, 160. 



Gaour, horns of the, 501. 



Gap between man and the apes, 

 152. 



Gaper, sexes and young of, 481. 



Gardner, on an example of ra- 

 tionality in a Gelasimus, 267. 



Garrulus glandarius, 402. 



Gartner, on sterility of hybrid 

 plants, 168. 



Gasteropoda, 259; pulmoniferous, 

 courtship of, 259. 



Gasterosteus, 216; nidification of, 

 341. 



leiurus, 328, 337, 341. 



trachurus, 328. 



Gastrophora, wings of, brightly 



colored beneath, 312. 

 Gauchos, want of humanity 



among the, 119. 

 Gaudry, M., on a fossil monkey, 



ISO- . ^ , 



Gavia, seasonal change of plu- 

 mage in, 488. 



Geese, clanging noise made by, 

 364; pairing of different species 

 of, 409; Canada, selection of 

 mates by, 411. 



Gegenbaur, C, on the number of 

 digits in the Ichthyopterygia. 

 35- on the hermaphroditism of 

 the remote progenitors of the 

 vertebrata, 157; two types of 

 nipple in mammals, 168. 



Gelasimus, proportions of the 

 sexes in a species of, 251; use of 

 the enlarged chelse of the male, 

 264; pugnacity of males of, 265; 

 rational actions of a, 267; dif- 

 ference of color in the sexes of 

 a species of, 268. 



Gemmules, dormant in one sex, 

 i26. 



Genius, 27; hereditary, 559. 



fertility of men and women 



of, 133. 



GeofEroy-Saint-Hilaire, Isid., on 

 the recognition of women by 

 male quadrumana, 8; on mon- 

 strosities, 29; coincidences of ar- 

 rested development with poly- 

 dactylism, 35; on animal-like 

 anomalies in the human struc- 

 ture, 38; on the correlation of 

 monstrosities, 42; on the distrib- 

 ution of hair in man and mon- 

 keys, 55; on the caudal verte- 

 bra; of monkeys, 56: on corre- 

 lated variability, 58; on the 

 classification of man, 143; on the 

 long hair on the heads of species 

 of Semnopithecus. 146: on the 

 hair in monkeys, 14S: on the de- 

 ■\'eloprripnt of horns in female 

 deer, 500; and F. Cuvier, on the 



mandrill, 534; on Hylobates, 553, 

 554. 



Geographical distribution, as evi- 

 dence of specific distinctions in 

 man, 165. 



Geometra;, brightly colored be- 

 neath, 312. 



Geophagus, frontal protuberance 

 of male, 366, 341; eggs hatched 

 by the male, in the mouth or 

 branchial cavity, 341. 



Georgia, change of color in Ger- 

 mans settled in, 191. 



Geotrupes, stridulation of, 300, 301. 



Gerbe, M., on the nest-building of 

 Crenilabrus massa and C. mel- 

 ops, 341. 



Gerland, Dr., on the prevalence of 

 infanticide, 113, 372, 587; on the 

 extinction of races, 177. 



Gervais, P., on the hairiness of 

 the gorilla, 55; on the mandrill, 

 534. 



Gesture-language, 174. 



Ghost-moth, sexual difference of 

 color in the, 313. 



Gibbs, Sir D., on differences of 

 the voice in different races of 

 men, 561. 



Gibbon, Hoolock, nose of, 146. 



Gibbons, voice of, 522. 



Gill, Dr., male seals larger than 

 females, 214; sexual differences 

 in seals, 511. 



Giraffe, its mode of using the 

 horns, 504; mute, except in the 

 rutting season, 521. 



Girard, M., disputes descent of 

 vertebrates from Ascidians, 155; 

 color of sponges and Ascidians, 

 258; musky odor of Sphinx, 305. 



Giraud-Teulon, on the cause of 

 short sight, 32. 



Glanders, communicable to man 

 from the lower animals, 6. 



Glands, odoriferous, in mammals, 

 524, 525. 



Glareola, double moult in, 385. 



Glomeris limbata, difference of 

 color in the sexes of, 270. 



Glow-worm, female. apterous, 

 204; luminosity of the, 275. 



Gnats, dances of, 278; auditory 

 powers of, 563. 



Gnu, sexual differences in the 

 color of the, 531. 



Goat, male, wild, falling on his 

 horns, 503; male, odor emitted 

 by, 524; male, wild, crest of the, 

 526; Berbura, mane, dewlap, &c., 

 of the male, 528: Kemas, sex- 

 ual difference in the color of the, 

 531. 



Goats, sexual differences in the 

 horns of, 225; horns of, 229, 501; 

 mode of fighting of, 504; domes- 

 tic, sexual differences of, late 

 developed, 232; beards of, 526. 



Goatsucker, "Virginian, pairing of 

 the, 362. 



