INDEX 



855 



Bchlegel, F. von, on the complexity of 

 the languages of uncivilized peoples, 

 127. 



, Prof., on Tanysiptera, 604. 



Schleicher, Prof., on the origin of lan- 

 guage, 122. 



Sdiomburgk, Sir R., on the pugnacity 

 of the male musk-duck of G-uiaua, 

 469; on the courtship of Eupicola 

 crooea, 610. 



Schoolcraft, Mr., on the difBculty of 

 fashioning stone implements, 14. 



Sohweinfurth, complexion of negroes, 

 716. 



Scieena aquila, 452. 



Sclater, P. L., on modiiied secondary 

 wiug-feaihers in the males of Pipra, 

 490 ; on elongated feathers in night- 

 jars, 497 ; on the species of Ohaamo- 

 rhynehus, 501 ; on the plumage of 

 Pelecanus onocrotalus, 508; on the 

 plantain-eaters, 593; on the sexes 

 and young of Tadorna variegata, 

 618; on the colors of Lemur macaco, 

 693 ; on the stripes in asses, 707. 



Scolecida, absence of secondary sexual 

 characters in, 344. 



Scolopax frenata, tail-feathers of, 489. 



gallinago, drumming of, 488. 



javensis, tail-feathers of, 489. 



major, assemblies of, 523. 



'Wilsonii, sound produced by, 489. 



Scolytus, stridulation.of, 395. 



Scoter- duck, black, sexual difference 

 in coloration of the, 634; bright 

 beak of male, 634. 



Scott, Dr., on idiots smelling their food, 

 58. 



, J., on the difference in color be- 

 tween the hair of the head and the 

 beard in man, 719. 



Scrope, on the pugnacity of the male 

 salmon, 433 ; on the battles of stags, 

 647. 



Soudder, S. H., imitation of the stridu- 

 lation of the Orthoptera, 373 ; on the 

 stridulation of the Acridiidse, 376; 

 on a Devonian insect, 379; on strid- 

 ulalion, 729. 



Sculpture, expression of the ideal of 

 beauty by, 748. 



Sea-anemones, bright colors of, 345. 



Sea-bear, polygamous, 289. 



Sea-elephant, male, structure of the 

 nose of the, 682; polygamous, 289. 



Sea-lion, polygamous, 289. 



Seal, bladder-nose, 682. 



Seals, their sentinels generally females, 

 138 ; evidence furnished by, on class- 

 ifloation, 201 ; polygamous habits of, 

 289; battles of male, 646; canine 

 teeth of male, 648; sexual differ- 

 ences, 666; pairing of, 675; sexual 

 peculiarities of, 682; in the colora- 

 tion of, 690; appreciation of music 

 by, 732. 



Sea-soorpion, sexual differences in, 438. 



Season, changes of color m birds, in 

 accordance with the, 503; changes 

 of plumage of birds in relation to, 

 qp5. 



Seasons, inheritance at corresponding, 

 302. 



Sebituani, African chief, trying to alter 

 a fashion, 740. 



Sebright Bantam, 314. 



Secondary sexual characters, 274; re- 

 lations of polygamy to, 286; trans- 

 mitted through both sexes, 297; 

 gradation of, in birds, 554. 



Sedgwick, W., on hereditary tendency 

 to produce twins, 69. 



Seemann, Dr., on the different appre- 

 ciation of music by different peoples, 

 733-734; on the effects of music, 735. 



Seidlitz, on horns of reindeer, 653. 



Selasphorus platycercus, acuminate first 

 primary of the male, 489-490. 



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

 and red grouse, 289. 



Selection, double, 297. 



of male by female birds, 522, 543. 



, methodical, of Prussian grena- 

 diers, 49. 



, sexual, explanation of, 276, 281, 



291 ; influence of, on the coloring of 

 Lepidoptera, 418. 



, sexual and natural, contrasted, 



297-299. 



Self-command, habit of, inherited, 157; 

 estimation of, 161. 



Self-consciousness, in animals, 117. 



Self-preservation, instinct of, 152. 



Self-sacrifice, by savages, 151; estima- 

 tion of, 161. 



Semilunar fold, 36. 



Semnopithecus, 206; long hair on the 

 heads of species of, 202, 777. 



chrysomelas, sexual differences of 



color in, 694. 



