430 



INDEX. 



ti, by turkeys, i. 386; on the sexes of 

 Agrotis exclamationis, i. 3S6. 



Stallion, mane of the, ii. 256. 



Stallions, two, attacking a third, i. 72; 

 fighting, ii. 230 ; small, canine teeth of, ii. 

 246. 



Stansbury. Captain, observations on peli- 

 cans, i. 74. 



Staphylinid^, hornlike processes in male, 

 i. 363. 



Starfishes, bright colors of some, i. 313. 



Stark, Dr., on the death-rate in towns and 

 rural iistricts, i. 1 69 ; on the influence of 

 marriage on mortality, i. 170 ; on the high- 

 er mortality of males in Scotland, i. 292. 



Starling, American field, pugnacity of 

 male, ii. 49. 



Starling, red-winged, selection of a mate 

 by the female, ii. 111. 



Starlings, three, frequenting the same 

 nest, i. 269, ii. 102 ; new mates found by, 

 ii. 101. 



Statues, Greek, Egyptian, Assyrian, etc., 

 contrasted, ii. 333. 



Stature, dependence of, upon local influ- 

 ences, i. 110. 



Staudinger, Dr., his list of Lepidoptera, i. 

 304 ; on breeding Lepidoptera, i. 303. 



Staunton, Sir G., hatred of indecency a 

 modern virtue, i. 92. 



Stealing of bright objects by birds, ii. 

 107. 



Stebeing, T. E., on the nakedness of the 

 human body, ii. 359. 



Stemmutopus, ii. 265. 



Ste/nobothims pratorurm, stridulating or- 

 gans of, i. 346. 



Sterility, general, of sole daughters, i. 164; 

 when crossed, a distinctive character of 

 species, i. 206. 



Sterna, seasonal change of plumage in, ii. 

 218. 



Stickle-back, polygamous, i. 262; male, 

 courtship of the, ii. 2 ; male, brilliant col- 

 oring of, during the breeding-season, ii. 

 14; nidification of the, ii. 19. 



Sticks used as implements and weapons 

 by monkeys, i. 50. 



Stlng in bees, i. 246. 



Stokes, Captain, on the habits of the great 

 Bower-bird, ii. 66. 



Stonechat, young of the, ii. 211. 



Stone implements, difficulty of making, i. 

 133 ; as traces of extinct tribes, i. 228. 



Stones, used by monkeys for breaking 

 hard fruits and as missiles, i. 134; piles 

 of, i. 224. 



Stork, black, sexual differences in the bron- 

 chi of the, ii. 57; red beak of the, ii. 217. 



Storks, ii. 216, 220; sexual difference ia 

 the color of the eyes of, ii. 123. 



Strange, Mr., on the Satin Bower-bird, ii. 

 66. 



Stretch, Mr., on the numerical proportion 

 in the sexes of chickens, i. 296. 



Strepsiceros kudu, horns of, ii. 243 ; mark- 

 ings of, ii. 287. 



Stridulation, by males of Theridion, i. 



S29 ; of the Orthoptera and Homoptera 

 discussed, i. 349 ; of beetles, i. 366. 



Stripes, retained throughout groups of 

 birds, ii. 125 ; disappearance of, in adult 

 mammals, ii. 2S8. 



Strix flammea, ii. 101. 



Structure, existence of unserviceable 

 modifications of, i. 147. 



Struggle for existence, in man, i. 174, 

 178. 



Struther8, Dr., on the occurrence of the 

 supra-condvloid foramen in the humerus 

 of man, i. 27. 



Sturnella ludoviciana, pugnacity of tho 

 male, ii. 48. 



Sturnus vulgaris, ii. 101. 



Subspecies, i. 219. 



Suffering, in strangers, indifference of 

 savages to, i. 90. 



Suicide, i. 166; formerly not regarded as a 

 crime, i. 90 ; rarely practised among the 

 lowest savages, i. 90. 



Suid^e, stripes of young, ii. 176. 



Sumatra, compression of the nose by tho 

 Malays of, ii. 335. 



Sumner, Archbishop, man alone capable of 

 progressive improvement, i. 47. 



Sun-birds, nidification of, ii. 161. 



Superstitions, i. 175; prevalence of, i. 95. 



Superstitious customs, i. 66. 



Superciliary ridge in man, ii. 301, 303. 



Supernumerary digits, more frequent in 

 men than in women, i. 268 ; inheritance 

 of, i. 276 ; early development of, i. 2S2. 



Supra-condyloid foramen in the early pro- 

 genitors of man, i. 198. 



Suspicion, prevalence of, among animals, 

 i. 38. 



Sulivan, Sir B. J., on two stallions attack- 

 ing a third, ii. 230. 



Swallow-tail Butterfly, i. 381. 



Swallows deserting their young, i. SO, 87. 



Swan, black, red beak of the, ii. 217 ; black - 

 necked, ii. 220 ; white, young of, ii 202 ; 

 wild, trachea of the, ii. 57. 



Swans, ii. 216, 220; young, ii. 199. 



Swaysland, Mr., on the arrival of migra- 

 tory birds, i. 251. 



Swinhoe, K., on the common rat in For- 

 mosa and China, i. 49; on the sounds 

 produced by the' male Hoopoe, ii. 60; on 

 Dicrurus macrocereiis and the Spoon- 

 bill, ii. 171 ; on the young of Ardeola, ii. 

 1S2; on the habits of Turnix, ii. 193; on 

 the habits of Rhynchcca Bengalensis, ii. 

 493 ; on Orioles breeding in immature 

 plumage, ii. 205, 206. 



Sylvia atricapilla, young of, ii. 210. 



Sylvia cinerea, aerial love-dance of the 

 male, ii. 65. 



Sympathy, i. 162; among animals, i. 74; its 

 supposed basis, i. 78. 



Sympathies, gradual widening of, i. 96. 



Syngnatiious fishes, abdominal pouch in 

 male, i. 201. 



Sypheotides auritus, acuminated prima 

 ries of the male, ii. 62 ; ear-tufta of. ii. 

 70. 



