SCHOOLCRAFT. 



INDEX. 



SEMNOP1THECUS. 



675 



of the male musk-duck of Guiana, 

 362 ; on the courtship of Eupicola 

 crocea, 395. 

 Schoolcraft, Mr., on the difficulty of 



fashioning stone implements, 45, 

 Sehweinfurth, complexion of negroes, 



556. 

 Sciwna aquila, 347. 



Sclater, P. L., on modified secondary 

 wing-feathers in the males of l J ipra, 

 378 ; on elongated feathers in 

 nightjars, 384 ; on the species of 

 Chasmorhynchus, 385 ; on the plu- 

 mage of Pelecanus onocrotalus, 

 393 ; on the plantain-eaters, 460 ; 

 on the sexes and young of 2'adorna 

 variegata, 479 ; on the colours of 

 Lemur macaco, 537 ; on the stripes 

 in asses, 548. 



Scolecida, absence of secondary sexual 

 characters in, 260. 



Scolopax fraiata, tail-feathers of, 

 377. 



gallinago, drumming of, 376. 



javensis, tail-feathers of, 377. 



■ major, assemblies of, 405. 



■ Wilsonii, sound produced by, 



377. 



Scohjtus, stridulation of, 302. 



Scoter-duck, black, sexual difference 

 in coloration of the, 491 ; bright 

 beak of male, 491. 



Scott, Dr., on idiots smelling their 

 food, 36. 



J., on the colour of the beard 

 558. 



Scrope, on the pugnacity of the male 

 salmon, 332 ; on the battles of 

 stags, 501. 



Scudder, S. H., imitation of the 

 stridulation of the Orthoptera, 

 283; on the stridulation of the 

 Acridiidae, 286 ; on a Devonian in- 

 sect, 289 ; on stridulation, 566. 



Sculpture, expression of the ideal of 

 beauty by, 581. 



Sea-anemonies, bright colours of, 260. 



Sea-bear, polygamous, 218. 



Sea-elej>hant, male, structure of the 

 nose of the, 527 ; polygamous, 218. 



Sea-lion, polygamous, 218. 



Seal, bladder-nose, 528. 



Seals, their sentinels generally fe- 

 males, 100; evidence furnished by, 

 on classification, 150; polygamous 



habits of, 218 ; battles of male, 

 500 ; canine teeth of male, 502 ; 

 sexual differences, 515; pairing of, 

 522 ; sexual peculiarities of, 528 ; 

 in the coloration of, 534 • apprecia- 

 tion of music by, 569. 



Sea-scorpion, sexual differences in, 

 ^ 537. 



Season, changes of colour in birds, in 

 accordance with the, 390 ; changes 

 of plumage of birds in relation to, 

 462. 



Seasons, inheritance at corresponding, 

 230. 



Sebituani, African chief, trying to 

 alter a fashion, 575. 



Sebright Bantam, 238. 



Secondary sexual characters, 207 ; 

 relations of polygamy to, 217 ; 

 transmitted through both sexes, 

 226 ; gradation of, in birds, 430. 



Sedgwick, W., on hereditary tendency 

 to produce twins, 45. 



Seemann, Dr., on the different appre- 

 ciation of music by different peoples, 

 570; on the effects of music, 571. 



Seidlitz, on horns of reindeer, 506. 



Selasphorus platycercus, acuminate 

 first primary of the male, 378. 



Selby, P. J., on the habits of the 

 black and red grouse, 219. 



Selection, double, 225. 



of male by female birds, 404, 



421. 



, methodical, of Prussian grena- 

 diers, 29. 



— , sexual, explanation of, 209, 213, 

 220 ; influence of, on the colour- 

 ing of Lepidoptera, 321. 

 -, sexual and natural, contrasted, 



226. 



Self-command, habit of, inherited, 

 115 ; estimation of, 118. 



Self-consciousness, in animals, 83. 



Self-preservation, instinct of, 112. 



Self-sacrifice, by savages, 111; esti- 

 mation of, 118. 



Semilunar fold, 17. 



Semnopithccus, 154 ; long hair on the 

 heads of species of, 150, 604. 



ckrysomelas, sexual differences 



of colour in, 537. 



comatus, ornamental hair on the 



head of, 549. 

 — frontatus, beard, &c, of, 550. 



