INDEX. 74'J' 



liieastirements of American soldiers, 34, 36; on the proportions of 

 the body and capacity of the lungs in different races of men, 190; on 

 the inferior vitality of mulattoes, 195; Gould, J., on migration of 

 swifts, 122; on the arrival of male snipes before the females, 240; 

 on the numerical proportion of the sexes in birds, 280; on Neomorpha 

 Chrypus, 408; on the species of Eustepliamts, 408; on the Australian 

 musk-duck, 468; on the relative size of the sexes in Briziura Idbata 

 and Cindoramphus cruralis, 411; on Lobivanellus lobatus, 414; on 

 the habits of Menura Alberti, 421 ; on the rarity of song in brilliant 

 birds, 421; on Selasphorvs platycercus, 429; on the bower-birds, 432, 

 461; on the ornamental plumage of the humming-birds, 440; on the 

 moulting of the ptarmigan, 444; on the display of plumage by the 

 male humming-birds, 447; on the shyness of adorned male birds, 456; 

 on the decoration of the bowers of bower-birds, 469; on the decora- 

 tion of their nests by humming-birds, 469; on variation in the genus 

 Cynanthns, 481; on the color of the thighs in a male paroquet, 481; 

 on Urosticte Benjamini, 502 et seq.; on the nidifi cation of the Orioles, 

 516; on obscurely colored birds building concealed nests, 516; on 

 trogons and kingfishers, 520; on Australian parrots, 521; on Austral- 

 ian pigeons, 522; on the moulting of the ptarmigan, 526; on the im- 

 mature plumage of birds, 530 et seq.; on the Australian species of 

 Turnix, 542; on the young of A'ithurus polytmus, 555; on the colors 

 of the bills of toucans, 560; on the relative size of the sexes in the 

 marsupials of Australia, 588; on the colors of the marsupials, 609. 



Goureaux, on the stridulation of MutiUa europcm, 332. 



Gout, sexually transmitted, 268. 



Graba, on the Pied Ravens of the Feroe Islands, 482; variety of 

 the Guillemot, 482. 



Gradation of secondary sexual characters in birds, 488. 



Grallatores, absence of secondary sexual characters in, 248; 

 double moult in some, 443. 



GraUina, nidification of, 517. 



Grasshoppers, stridulation of the, 324. 



Gratiolet, Prof., on the anthropomorphous apes, 175; on the evolu- 

 tion of the anthropomorphous apes, 202; on the difference iu the de- 

 velopment of the brains of apes and man, 231. 



Gray, Asa, on the gradation of species among the Compositae, 199; 

 Gray, J. E., on the caudal vertebrae of monkeys, 65; on the presence 

 of rudiments of horns in the female of Cerfj^us moschatus, 574; on 

 the horns of goats and sheep, 575; on crests of male antelopes, 606; 

 on the beard of the ibex, 607; on the Berbura goat, 608; on sexual 

 differences in the coloration of rodents, 609; ornaments of male sloth, 

 610; on the colors of the Elands, 611; on the sing-sing antelope, 612; 

 on the colors of goats, 612; on Lemur Macaco, 613; on the hog-deer, 

 623. 



"Greatest happiness principle," 135, 136. 



Greeks, ancient, 159. 



Green, A. H,, on beavers fighting, 570; on the voice of the 

 beaver, 602. 



Greenfinch, selected by a female canary, 472. 



Greg, W. R., on the effects of natural selection on civilized nations, 

 151; on the early marriages of the poor, 156; on the ancient Greeks, 

 159. 



