Salvin, O., inheritance of mutilated feathers; on the Humming-birds; on the numerical proportion of the sexes in Humming-birds; on Chamaepetes and Penelope; on Selasphorus platycercus; Pipra deliciosa; on Chasmorhynchus.
Samoa Islands, beardlessness of the natives of.
Sandhoppers, claspers of male.
Sand-skipper.
Sandwich Islands, variation in the skulls of the natives of the; decrease of native population; population of; superiority of the nobles in the.
Sandwich Islanders, lice of.
San-Giuliano, women of.
Santali, recent rapid increase of the; Mr. Hunter on the.
Saphirina, characters of the males of.
Sarkidiornis melanonotus, characters of the young.
Sars, O., on Pontoporeia affinis.
Saturnia carpini, attraction of males by the female.
Saturnia Io, difference of coloration in the sexes of.
Saturniidae, coloration of the.
Savage, Dr., on the fighting of the male gorillas; on the habits of the gorilla.
Savage and Wyman on the polygamous habits of the gorilla.
Savages, uniformity of, exaggerated; long-sighted; rate of increase among, usually small; retention of the prehensile power of the feet by; imitative faculties of; causes of low morality of; tribes of, supplanting one another; improvements in the arts among; arts of; fondness of, for rough music; on long-enduring fashions among; attention paid by, to personal appearance; relation of the sexes among.
Saviotti, Dr., division of malar bone.
Saw-fly, pugnacity of a male.
Saw-flies, proportions of the sexes in.
Saxicola rubicola, young of.
Scalp, motion of the.
Scent-glands in snakes.
Schaaffhausen, Prof., on the development of the posterior molars in different races of man; on the jaw from La Naulette; on the correlation between muscularity and prominent supra-orbital ridges; on the mastoid processes of man; on modifications of the cranial bones; on human sacrifices; on the probable speedy extermination of the anthropomorphous apes; on the ancient inhabitants of Europe; on the effects of use and disuse of parts; on the superciliary ridge in man; on the absence of race-differences in the infant skull in man; on ugliness.
Schaum, H., on the elytra of Dytiscus and Hydroporus.
Scherzer and Schwarz, measurements of savages.
Schelver, on dragon-flies.
Schiodte, on the stridulation of Heterocerus.
Schlegel, F. von, on the complexity of the languages of uncivilised peoples.
Schlegel, Prof., on Tanysiptera.
Schleicher, Prof, on the origin of language.
Schomburgk, Sir R., on the pugnacity of the male musk-duck of Guiana; on the courtship of Rupicola crocea.
Schoolcraft, Mr., on the difficulty of fashioning stone implements.
Schopenhauer, on importance of courtship to mankind.
Schweinfurth, complexion of negroes.
Sciaena aquila.
Sclater, P.L., on modified secondary wing-feathers in the males of Pipra; on elongated feathers in nightjars; on the species of Chasmorhynchus; on the plumage of Pelecanus onocrotalus; on the plantain-eaters; on the sexes and young of Tadorna variegata; on the colours of Lemur macaco; on the stripes in asses.
Scolecida, absence of secondary sexual characters in.
Scolopax frenata, tail feathers of;
Scolopax gallinago, drumming of.
Scolopax javensis, tail-feathers of.
Scolopax major, assemblies of.
Scolopax Wilsonii, sound produced by.
Scolytus, stridulation of.
Scoter-duck, black, sexual difference in coloration of the; bright beak of male.
Scott, Dr., on idiots smelling their food.
Scott, J., on the colour of the beard in man.
Scrope, on the pugnacity of the male salmon; on the battles of stags.
Scudder, S.H., imitation of the stridulation of the Orthoptera; on the stridulation of the Acridiidae; on a Devonian insect; on stridulation.
Sculpture, expression of the ideal of beauty by.
Sea-anemones, bright colours of.
Sea-bear, polygamous.
Sea-elephant, male, structure of the nose of the; polygamous.
Sea-lion, polygamous.
Seal, bladder-nose.
Seals, their sentinels generally females; evidence furnished by, on classification; polygamous habits of; battles of male; canine teeth of male; sexual differences; pairing of; sexual peculiarities of; in the coloration of; appreciation of music by.