786 INDEX. 



Staphylinidgp, hornlike processes in male, 338. 



Starfishes, parental feeling in, 120; bright colors of some. 295. 



Stark, Dr., on the death-rate in towns and rural districts, 157; on 

 the influence of marriage on mortality, 158; on the higher mortality 

 of males in Scotland, 275. 



Starling, American field, pugnacity of male, 417 ; red-winged, 

 selection of a mate by the female, 472* 



Starlings, three, frequenting the same nest, 248, 464; new mates 

 found by, 464. 



Statutes, Ureek, Egyptian, Assyrian, etc., contrasted, 663. 



Stature, dependence of, upon local influences. 84. 



Staudinger, Dr., on breeding Lepidoptera, 284; his list of Lepidop- 

 tera. 284. 



Staunton, Sir G.. hatred of indecency a modern virtue, 135. 



Stealing of bright objects by birds, 469. 



Stebbing, T. K., on the nakedness of the human body, 685. 



Btemmatopus, 603. 



Stendhal, see Bonibet. 



StejidbotJirus pratorum, stridulation, 324. 



Stephen, Mr. L., on the difference in the minds of men and 

 animals, 88; on general concepts in animals, 100; distinction between 

 material and formal morality, 125. 



Sterility, general, of sole daughters, 153; when crossed, a dis- 

 tinctive character of species, 189 ; under changed conditions 

 215. 217. 



Sterna, seasonal change of plumage in, 561. 



Stickle-back, polygamous, 249; male, courtship of the. 376; male, 

 brilliant coloring of, during the breeding-season, 386. nidih'cation of 

 the, 391. 



Sticks used as implements and weapons by monkeys, 91. 



Sting in bees, 235. 



Stokes, Capt., on the habits of the great bower-bird, 434. 



Stolic/ka, Dr., on colors in snakes. 399. 



Stolic/ka, on the pre-anal pores of lizards, 402. 



Stonechat, young of the, 555. 



Stone implements, difficulty of making, 55; as traces of extinct 

 tribes, 206. 



Stones, used by monkeys for breaking hard fruits and as missiles, 

 56; piles of, 204. 



Stork, black, sexual differences in the bronchi of the, 425; red 

 beak of the, 559. 



Storks, 559, 562; sexual difference in the color of the eyes of, 483. 



Strange, Mr., on the satin bower-bird, 434. 



Strepidcerox kudu, horns of, 583; markings of, 621. 



Stretch. Mr., on the numerical proportions in the sexes of 

 chickens, 280. 



Stridulation, by males of Theridion, 309; of Honiiptera. 319; of 

 the Orthoptera and Homoptera discussed, 327; of beetles, 341. 



Stripes, retained throughout groups of birds, 485; disappearance 

 of, in adult mammals, 624. 



Strix flammea, 463. 



Structure, existence of unserviceable modifications of, 68. 



Struggle for existence, in man, 161. 160. 



