GOUREAU. 



INDEX. 



GUARANYS. 



4S3 



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 

 Cipianthus, ii. 125 ; on the colour 

 of the thighs in a male pai'akeet, 

 ii. 126 ; on Urosticte Benjamini, ii. 

 151, 152 ; on the nidification 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 

 Turnix, ii. 201 ; on the young of 

 Aithurus polytnms, 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 coloux-s of the Mar- 

 supials, ii. 286. 



GouREAU, on the stridulation of Mu- 

 tiila europiea, 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 Compositfe, i. 227. 



Gray, J. E., on the caudal vertebrjE 

 of monkeys, i. 150 ; on the presence 

 of rudiments of horns in the female 

 of Cervulus moschatus, 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- 



YOL. II. 



lours of the Elands, ii. 288 ; on the 

 I Sing-sing antelope, ii. 289 ; on the 

 1 colours of goats, ii. 290 ; on the 

 I Hog-deer, ii. 303. 



" Greatest happiness principle," 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. 



Greg, W. R., on the early marriages 

 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 

 wings upon the ground, ii. 61 ; 

 duration of courtship of, ii. 100 ; 

 colours and nidification of, ii. 170. 



Grube, Dr., on the occurrence of the 

 supra-condyloid foramen in the 

 humerus of man, i. 28. 



Grus americaniis, age of mature plu- 

 mage in, ii. 213 ; breeding in im- 

 mature plumage, ii. 214. 



Grus Virgo, trachea of, ii. 60. 



Gryllus camjjestris, i. 353 ; pugnacity 

 of male, i. 360. 



Gryllus domestlcus, i. 354. 



GryjMS, sexual differences in the beak 

 in, ii. 39. 



GuANACOES, battles of, ii. 239 ; canine 

 teeth of, ii. 257. 



Guanas, strife for women among the, 

 ii. 324; polyandrv among the, ii. 

 366. 



Guanche skeletons, occurrence of 

 the supra-condyloid foramen in the 

 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 



