74B iZVD^X 



Grenadiers, Prussian, 32. 



Greyhounds, numerical proportion of tlie sexes in, 244; numerical 

 proportion of male and female births in, 278, 291. 



Grouse, red, monogamous, 248; pugnacity of young male, 414; pro- 

 ducing a sound by beating their wings together, 416; duration of 

 courtship of, 460; colors and nidification of, 518. 



Gruber, Dr., on the occurrence of the supra-condyloid foramen in 

 the humerus of man, 23; on division of malar bone, 44; stridulation 

 of locust, 322; ephippiger, 326. 



Grus Americanus, age of mature plumage in, 551, breeding in im- 

 mature plumage, 552; grus mrgo, trachea of, 425. 



Oryllus campestris, 321; pugnacity of male, 327; gryllus domes- 

 ticus, 322 



Grypus, sexual differences in the beak in, 408. 



Guanacoes, battles of, 570; canine teeth of, 580. 



Guanas, strife for women among the, 641; polyandry among the 

 677. 



Guanche skeletons, occurrence of the supra-condyloid foramen in 

 the humerus of, 24. 



Guaranys, proportion of men and women among, 276; color of 

 new-born children of the, 636; beards of the, 639. 



Guenee, A., on the sexes of Hyperythra, 283. 



Guilding, L., on the stridulation of the locustidae, 320. 



Guillemot, variety of the, 482. 



Guinea, sheep of, with males only horned, 266. 



Guinea-fowl, monogamous, 248; occasional polygamy of the, 249; 

 markings of the, 488. 



Guinea-pigs, inheritance of the effects of operations by, 67. 



Gulls, seasonal change of plumage in, 560; white, 560. 



Giinther, Dr., on paddle of Ceratodus, 42; on hermaphroditism in 

 Serranus, 184; on male fishes hatching ova in their mouths, 185, 

 391 ; on mistaking infertile female fishes for males, 281 ; on the pre- 

 hensile organs of male Plagiostomous fishes, 37; spines and brushes 

 on fishes, 37; on the pugnacity of the male salmon and trout, 377; 

 on the relative size of the sexes in fishes, 380; on sexual differences 

 in fishes, 381; et seq.; on the genus Callionymus, 381; on a protec- 

 tive resemblance of pipe-fish, 390; on the genus of Solenostoma, 392; 

 on the coloration of frogs and toads, 396; combat of Testudo elegans, 

 398; on the sexual differences in the Ophidia, 399; on differences of 

 the sexes of lizards, 402 et seq. 



Gynanisa Ms, ocellated spots of, 486. 



Gypsies, uniformity of, in various parts of the world, 220. 



Habits, bad, facilitated by familiarity, 139; variability of the force 

 of, 142. 



Hackel, E., on the origin of man, 3; on rudimentary characters, 12; 

 on death caused by inflammation of the vermiform appendage, 23; on 

 the canine teeth in man, 45; on the steps by which man became a 

 biped, 58; on man as a member of the Catarrhine group, 176; on the 

 position of the Lemuridae, 178; on the genealogy of the Mammalia, 

 179; on the lancelet, 181; on the transparency of pelagic animals, 

 295; on the musical powers of women, 653. 



Hagen, H., and Walsh, B. D., on American Nueroptera, 286. 



Hair, development of, in man, 20; character of, supposed to be 



