INDEX. 



661 



Sapbirina, characters of the 

 males of, 267. 



Sarkidiornis melanonotus, char- 

 acters of the young, 469. 



Sars, O., on Pontoporeia afflnis, 

 262. 



Saturnia, carpinl. attraction of 

 males by the female, 248. 



■ lo, difference of coloration 



in the sexes of 312. 



Saturniidse, coloration of the, 311, 

 312. 



Savage, Dr., on the fighting of the 

 male gorillas, 557; on the habits 

 of the gorilla, 586. 



and Wyman on the polyg- 

 amous habits of the gorilla, 213. 



Savages, uniformity of, exagger- 

 ated, 27; long-sighted, 32; rate of 

 increase among, usually small, 

 43; retention of the prehensile 

 power of the feet by, 50; imita- 

 tive faculties of, 85, 126; causes 

 of low morality of, 115; tribes of, 

 supplanting one another, 125; 

 improvements in the arts 

 among, 141; arts of, 175; fond- 

 ness of for rough music, 375; 

 attention paid by, to personal 

 appearance, 568; relation of the 

 sexes among, 586. 



Saviotti, Dr., division of malar 

 bone, 37. 



Saw-fly, pugnacity of a male, 289. 



Saw-flies, proportions of the sexes 

 in, 260. 



Saxicola rubicola, young of, 483. 



Scalp, motion of the, 13. 



Scent-glands in snakes, 348. 



SchaafEhausen, Prof., on the de- 

 velopment of the posterior mo- 

 lars in different races of man, 

 20; on the jaw from La Naulette, 

 39; on the correlation between 

 muscularity and prominent su- 

 pra-orbital ridges, 42; on the 

 mastoid processes of man, 61; 

 on modifications of the cranial 

 bones, 54; on human sacrifices, 

 140; on the probable speedy ex- 

 termination of the anthropomor- 

 phous apes, 152; on the ancient 

 inhabitants of Europe, 177; on 

 the effects of use and disuse 

 of parts, 192; on the superciliary 

 ridge in man, 551; on the ab- 

 sence of race-differences in the 

 infant skull in man, 552; on ugli- 

 ness, 578. 



Schaum, H., on the elytra of 

 Dytiscus and Hydroporus, 273. 



Schelver, on dragon-flies, 288. 



Schiodte, on the stridulation of 

 Heterocerus, 300. 



Schlegel F. von, on the complexi- 

 ty, of the languages of uncivil- 

 ized peoples, 88. . 



Prof., on Tanysiptera, 463. 



Schleicher, Prof., on the origin of 

 language, 84. 

 43 



Schomburgk, Sir R., on the pug- 

 nacity of the male musk-duck 

 of Guiana, 358; on the courtship 

 of Rupicola crocea, 390. 



Schoolcraft, Mr., on the difficul- 

 ty of fashioning stone imple- 

 ments, 48. 



Schweinfurth, complexion of ne- 

 groes, 551. 



Scieena aquila, 343. 



Solater, P. L., on modified sec- 

 ondary wing-feathers In the 

 males of Pipra, 373; on elongated 

 feathers in nightjars, 379; on the 

 species of Chasmorhynchus, 384; 

 on the plumage of Pelecanus 

 onocrotalus, 388; on the plan- 

 tain-eaters, 453: on the sexes and 

 young of Tadorna variegata, 473; 

 on the colors of Lemur macaco, 

 532; on the stripes in asses, 543. 



Scoleclda, absence of secondary 

 sexual characters in 267. 



Scolopax frenata, tail-feathers of, 

 372. 



gallinago, drumming of, 372. 



javensis, tail-feathers of, 



372. 



major, assemblies of, 400. 



Wilsonii, sound produced 



by, 373. 



Scolytus, stridulation of, 299. 



Scoter-duck, black, sexual differ- 

 ence in coloration of the, 487; 

 bright beak of male, 487. 



Scott, Dr. on Idiots smelling their 

 food, 35. 



. , J., on the color of the beard 



in man, 653. 



Scrope, on the pugnacity of the 

 male salmon, 330; on the battles 

 of stags, 497. 



Scudder, S. H., Imitation of the 

 stridulation of the Orthoptera, 

 281; on the stridulation of the 

 Acridiidee, 283; on a Devonian 

 insect, 286; on stridulation, 561. 



Sculpture, expression of the ideal 

 of beauty by, 576. 



Sea-anemones, bright colors of, 

 257. 



Sea-bear, polygamous, 214. 



Sea-elephant, male, structure of 

 the nose of the, 524; polygamous, 

 214. 



Sea-lion, polygamous, 214. 



Seal, bladder-nose, 523. 



Seals, their sentinels generally fe- 

 males, 97; evidence furnished by, 

 on classification, 145; polyga- 

 mous habits of, 214; battles of 

 male, 496; canine teeth of male, 

 498; sexual differences, 611; pair- 

 ing of, 518; sexual peculiarities 

 of, 523; in the coloration of, 530; 

 appreciation of music by, 563. 



Sea-scorpion, sexual differences 

 in, 334. 



Season, changes of color in birds, 

 in accordance with the, 384; 



