854 



INDEX 



Sahara, fertility of mixed races in, 228 ; 

 birds of the, 688 ; animal Inhabitants 

 of the, 632. 



Sailors, growth of, delayed by condi- 

 tions of life, 52 ; long-sighted, 55. 



and soldiers, difEerence in the pro- 

 portions of, 54. 



St. John, Mr., on the attachment of 

 mated birds, 530. 



St. Kilda, beards of the inhabitants of, 

 583. 



Salmo eriox, and S. umbla, coloring of 

 tlie male, during the breeding sea- 

 son, 442. 



■ lycaodon, 434. 



salar, 434. 



Salmon, leaping out of fresh water, 

 147 ; male, ready to breed before 

 the female, 281 ; proportion of the 

 sexes in, 328; male, pugnacity of 

 the, 433; male, characters of, dur- 

 ing the breeding season, 434-436 ; 

 spawning o£ the, 448; breeding of 

 immature male, 625. 



Salvin, 0., inheritance of mutilated 

 feathers, by mot-mots, 81, 498, 11G; 

 on the humming-birds, 289, 585 ; 

 on the numerical proportion of the 

 sexes in humming-birds, 327, 629 ; 

 on Chamsepetes and Penelope, 489; 

 on Selasphorus plalycercus, 489; 

 on Pipra deliciosa, 490; on Chas- 

 morhynchua, 501. 



Samoan Islands, beardlessness of the 

 natives of the, 721, 748. 



Sand-skipper, 356. 



Sandwich Islands, variation in the 

 skulls of the natives of the, 46; 

 decrease of native population, 247 ; 

 population of, 340 ; superiority of 

 the nobles in the, 754-755. 



. Islanders, lice of, 227. 



San Giuliano, women of, 755. 



Santali or hill-tribes of India, recent 

 rapid increase of the, 69 ; Mr. Hunter 

 on the, 255. 



Saphirina, characters of the males of, 



857. 

 Sarkidiornis melanonotus, characters of 



the young, 600. 

 Bars, 0., on Pontoporeia affinis, 351. 

 Satumia carpini, attraction of males by 

 the female, 333. 



lo, difEerence of coloration in the 



sexes of, 412. 



Satumiidffi, coloration of the, 410-412. 



Savage, Dr., on the fighting of the 

 male gorilla, 723; on the habits of 

 the gorilla, 760. 



Savage and Wyman, on the polygamous 

 habits of the gorilla, 287-288. 



Savages, uniformity of, exaggerated, 

 49; long-sighted, 55 ; rate of in- 

 crease among, usually small, 70; 

 retention of the prehensile power 

 of the feet by, 77; imitative facul- 

 ties of, 123, 174; causes of low mo- 

 rality of, 161 ; tribes of, supplanting 

 one another, 174; improvements in 

 the arts among) 194; arts of, 239; 

 fondness of, for rough music, 492; 

 attention paid by, to personal ap- 

 pearance, 738-742; relation of the 

 sexes among, 760-761; infanticide, 

 and the capturing of wives among, 

 761-762. 



Saviotti, Dr., on division of the malar 

 bone, 61. 



Saw-fly, pugnacity of a male, 383. 



Saw-flies, proportions of the sexes in, 

 335. 



Saxicola Eubicola, young of, 629. 



Scalp, motion of the, 30; curious in- 

 stances of, 31. 



Scent-glands in snakes, 457. 



SchaaShausen, Prof., on the develop- 

 ment of the posterior molars in dif- 

 ferent races of man, 39 ; on the jaw 

 from La Naulette, 63 ; on the cor- 

 relation between muscularity and 

 prominent supra-orbital ridges, char- 

 acteristic of the lower races of man, 

 67 ; on the mastoid processes of the 

 human skull, 78-79; on modifica- 

 tions of the cranial bones, 82 ; on 

 human sacrifices, 194 ; on the prob- 

 able speedy extermination of the an- 

 thropomorphous apea, 210; on the 

 ancient inhabitants of Europe, 242 ; 

 on the effects of use and disuse of 

 parts, 261 ; on the superciliary ridge 

 being more marked in man than in 

 woman, 716; on the absence of race 

 differences in the infant skull in man, 

 718; on ugliness, 752. 



Schaum, H., on the elytra of Dytiscus 

 and Hydroporus, 364. 



Sehelver, on dragon-flies, 381. 



Schiodte, on the stridulation of Hetero- 

 cerus, 396. 



