GOUREAU. 
INDEX. 
GUARAXrS. 
433 
adorned male birds, ii. 97 ; on the 
decoration of the bowers of Bower- 
birds, ii. 112; on the decoration of 
their nests by Humming-birds, ii. 
112 ; on variation in the genus 
Cifnanthus^ ii. 125 ; on the colour 
■of the thighs in a male parakeet, 
ii. 126 ; on Urostlcte Benjainini^ ii. 
151, 152 ; on the nidihcation of 
the Orioles, ii. 168 ; on obscurely- 
coloured birds building concealed 
nests, ii. 169 ; on Trogons and 
Kingfishers, ii. 173 ; on Australian 
parrots, ii. 174; on Australian 
pigeons, ii. 175; on the moulting 
of the ptarmigan, ii. 181 ; on the 
immature plumage of birds, ii. 186 
et seq. ; on the Australian species of 
2urnix, ii. 201 ; on the young of 
AitJmrus jwlijtmus, ii. 220 ; on the 
■colours of the bills of Toucans, ii. 
227 ; on the relative size of the 
sexes in the Marsupials of Australia, 
ii. 260 ; on the colours of the Mar- 
supials, ii. 286. 
^OouREAU, on the stridulation of Mu- 
tilla europma^ i. 366. 
'•Gout, sexually transmitted, i. 292. 
Graba, on the Pied Ravens of the 
Feroe Islands, ii. 126 ; on the Bridled 
Guillemot, ii. 127. 
Gradation of secondary sexual cha- 
racters in birds, ii. 135. 
Grallatores, absence of secondary 
sexual characters in, i. 270 ; double 
moult in some, ii. 81. 
Grallina^ nidification of, ii. 169. 
'Grasshoppers, stridulation of the, i. 
356. 
Gratiolet, Prof., on the anthropo- 
morphous apes, i. 196 ; on the evo- 
lution of the anthropomorphous 
apes, i. 230. 
Gray, Asa, on the gradation of species 
among the Compositse, i. 227. 
Gray, J. E., on the caudal vertebrae 
of monkeys, i. 150 ; on the presence 
of rudiments of horns in the female 
of Cervulus moschatusy ii. 245 ; on 
■the horns of goats and sheep, ii. 
246 ; on the beard of the Ibex, ii. 
283 ; on the Berbura goat, ii. 285 ; 
•on sexual differences in the colora- 
tion of Rodents, ii. 286 ; on the co- 
VOL. II. 
I lours of the Elands, ii. 288 ; on the 
Sing-sing antelope, ii. 289 ; on the 
colours of goats, ii. 290 ; on the 
Hog-deer, ii. 303. 
Greatest happiness princii^le,” i. 
97, 98. 
Greeks, ancient, i. 177. 
Green, A. H., on beavers fighting, 
ii. 239 ; on the voice of the beaver, 
! ii. 277. 
; Greenfinch, selected by a female 
; canary, ii. 115. 
I Greg, W. R., on the early marriages 
I of the poor, i. 173 ; on the Ancient 
Greeks, i. 178 ; on the effects of 
natural selection on civilised nations, 
i. 167. 
Grenadiers, Prussian, i. 112. 
Grey, Sir G., on female infanticide 
in Australia, ii. 364. 
Greyhounds, numerical proportion 
of the sexes in, i. 263, 265 ; nume- 
rical proportion of male and female 
births in, i. 304. 
! Grouse, red, monogamous, i. 269 ; 
! pugnacity of young male, ii. 48 ; 
' producing a sound by scraping their 
I wings upon the ground, ii. 61 ; 
duration of courtship of, ii. 100 ; 
I colours and nidification of, ii. 170. 
I ■ Grube, Dr., on the occurrence of the 
I supra-condyloid foramen in the 
I humerus of man, i. 28. 
i Grus americanuSy age of mature piu- 
I mage in, ii. 213 ; breeding in im- 
mature plumage, ii. 214. 
: Gms virgOy trachea of, ii. 60. 
1 Gnillus campestris. i. 353 ; pugnacity 
' of male, i. 360. 
Gryilus domesticus, i. 354. 
I GrypuSy sexual differences in the beak 
in, ii. 39. 
Guanacoes, battles of, ii. 239 ; canine 
teeth of, ii. 257. 
I Guanas, strife for women among the, 
ii. 324 ; polyandrv among the, ii. 
366. 
i Guanche skeletons, occurrence of 
the supra-condyloid foramen in the 
i humerus of, i. 29. 
Guaranys, proportion of men and 
women among, i. 302 ; colour of 
! newborn children of the, ii. 318 ; 
; beards of the, ii. 322. 
2 F 
