INDEX, 781 



Scbaum, H,, on the elytra of Dytiscus and Hydnrporus, 313. 



Scherzer and Scliwarz, measurements of savages, 038. 



Schelver, on dragon -flies, 329. 



Schiodte, on the stridulation of Heterocerua, 343. 



Schlegel, h\ von, on the complexity of the languages of uncivilized 

 peoples, 103. 



Schlegel, Prof., on Tanysiptera, 533. 



Schleicher, Prof., on the origin of language, 98. 



Schomburgk, Sir R., on the pugnacity of the male musk-duck of 

 Guiana, 411; on the courtship of Rupicula crocea, 448. 



Schoolcraft, Mr., on the difficulty of fashioning stone imple- 

 ments, 55. 



Schopenhauer, on importance of courtship to mankind, 669. 



Schweinfurth, complexion of negroes, 634. 



Scicena aguila, 394. 



Sclater, P. L., on modified secondary wing-feathers in the males of 

 Pipra, 429, 430 ; on elongated feathers in nightjars, 436 ; on the 

 species of G hasmorhynchus, 442; on the plumage of Pelecanus 

 onocrotaius, 446; on the plantain-eaters, 523; on the sexes and young 

 of T'adorna vanegata, 546; on the colors of Lemur macaco, 613; on 

 the stripes in asses, 626. 



Scolecida, absence of secondary sexual characters in, 294. 



Scolopax frenata, tail - feathers of, 428; scolopax gallinago, 

 drumming of, 427; scolopax javensis, tail-feathers of, 428; scolopax 

 maj(/r, assemblies of, 460; scolopax icilsonii, sound produced by, 428. 



Scolytus, stridulation of, 342. 



Scoter-duck, black, sexual difference in coloration of the, 559 ; 

 bright beak of male, 559. 



Scott, Dr., on idiots smelling their food, 41. 



Scott, J. , on the color of the beard in man, 637. 



Scrope, on the pugnacity of the male salmon, 377; on the battles 

 of stags, 571. 



Scudder, S. H., imitation of the stridulation of the Orthoptera, 

 321; on the stridulation of the Acridiidae, 324; on a Devonian insect, 

 327; on stridulation, 646. 



Sculpture, expression of the ideal of beauty by, 663. 



Sea-anemones, bright colors of, 294. 



Sea-bear, polygamous, 247. 



Sea-elephant, male, structure of the nose of the, 603; polygamous, 

 247. 



Sea-lion, polygamous, 247. 



Seal, bladder-nose, 603. 



Seals, their sentinels generally females, 114; evidence furnished 

 by, on classification, 170; polygamous habits of, 247; battles of male, 

 570; canine teeth of male. 572; sexual differences, 588 ; pairing of, 

 596; sexual peculiarities of, 603; in the coloration of, 610; apprecia- 

 tion of music by, 649. 



Sea-scorpion, sexual differences in, 381. 



Season, changes of color in birds, in accordance with the, 442; 

 changes of plumage of birds in relation to, 526. 



Sea.sons, inheritance at corresponding, 259. 



Sebituani, African chief, trying to alter a fashion, 656. 



Sebright Bantam, 270. 



