478 



Shrilling of insects, 314. 



Sight of spiders, accuracy of, 28G ; limited, 

 295, 2i)(). 



Silk, spider, colors of, 348. 



Silliman, Prof. Benjamin, 281, 282. 



Simon, M. Eugene, 69, 138, 139, 140, 169, 184, 

 287, 288, 297, 332, 347, 350, 389, 409, 411, 

 412, 415, 417, 461. 



Simonella americana, 357. 



Sites, cocooninK, 75. 



Size, spiders', difference in, (>7 ; disparity in, 

 02 ; influencing development, 66 ; varia- 

 tion in, 26. 



Smell, organs of, 300 ; sense of, 299. 



Smyth, Prof. I'lgbert C, 280. 



Solitary habit, 63 ; wasps, 387. 



Sounds, effects of, on spiders, 301 ; uses of, 314. 



South American spiders, 333, 358, 412. 



Sparrows eat ants, 362. 



Speckled Agalcna, see Agalcna iiivvia. 



Spermatozoa, 72. 



Sphecius speciosus, 383. 



Spheroma, 315. 



Spiderlings, life of, 197. 



Si)ines, abdominal, 330 ; jirotective, 339. 



Spinning, habit influencing courtship, 62 ; in- 

 dustry defective in male, 63. 



Skill, mechanical, of spiders, 202, 203, 404. 



Skinner, Miss C, 218. 



Staveley.E. F., 28, 118, 119, 132, 188, 189, 194, 



347, 399. 

 Steatoda bipunctata, 318. 



Steatoda borealis, 27, 169, 18(1 ; paii'ing, 44. 



Steatoda guttata, 317. 



Steatoda maculata, 120. 



Stothis astuta, 412, 413. 



Stothis cenobita, 412, 413. 



Stridulating apparatus, 316 ; Mygale, 319. 



Stridulation, of spiders, 317, 318; organs of, 



317,318; uses of, 319. 

 Structure and color, 351. 

 Sunbirds, 399. 

 Survival of the fittest, 370. 

 Swallows eat spiders, 379. 

 Swedish spiders, 316. 

 Swifte, 379. 



Swinging basket, 254, 281. 

 Synagales picata, 33, 189; love dance, 51. 

 Synemosyna americana, 359. 

 Synemosyna formica, 357, 358. 

 Syphax megacephalus, 467. 

 Sytodes cameratus, 120, 121. 



Tactile liairs, 310, 313. 



Tailed spider, 102; see Cyclosa 



■audala. 



Tarantula, 140, 166, 300, 385, 409, 443 ; age of, 

 429 ; cocoon of, 141 ; striking, 320, 322. 



Tarantula killer, 384, 385. 



Tarentula tigrina, see Lycosa tigrina. 



Tatton Hall, 290. 



Tegenaria agrestis, 131, 187. 



Tegenaria civilis, 280, 429. 



Tegenaria derhamii, 123. 



Tegenaria domestica, 189, 308, 429. 



Tegenaria emaciata, 131. 



Tegenaria gnyonii, 16, 47, 74, 202; courtship 

 of, 24. 



Tegenaria medicinalis, 123, 124, 109, 189, 230, 

 330, 334, 337, 347. 



Tegenaria persica, 123. 



Tents, cocooning, 86, 87, 294. 



Termeyer, Kaymond, 21, 22, 33, 110, 142, 187. 



Territelarire, 455; cocoons of, 137, 143; mak- 

 ing cocoons, 166. 



Tertiary spidere, 446 ; trees, 464. 



Tethneus, 452. 



Tetragnatha, 379; mimicry of, 147. 



Tetragnatha elongata, 365. 



Tetragnatha extensa, 365, 366, 386, 451 ; co- 

 coon of, 94, 96 ; pairing of, 34. 



Tetragnatha grallator, 305, 451. 



Tetragnatha tertiaria, 451. 



Teutana triangulosa, 377 ; see Theridium ser- 

 pentinum. 



Texas, (jossamer spider of, 267. 



Textris lycosina, 125. 



Thcraphosoidic, 140. 



Theridioids, (;olors of, 324. 



Theridiosoma gcmmosum, 461 . 



Theridiosonia radiosum, cocoon of, 4(>1. 



Theridium, 466. 



Theridium carolinum, 120. 



Theridium differcns, 110,417. 



Theridium frondeum, 114, 115, 400; cocoon, 

 see Theridiosoma radiosum, 401. 



Theridium globosum, 199. 



Theridium hirtum, 467. 



Theridium lincatnm, 110. 



Theridium maculatum, 120. 



Theridium nervosum, 119. 



Theridium pallens, 116. 



Theridium riparium, 65. 



Theridium serpentinum, see Teutana triangu- 

 losa, 112, 377. 



Theridium studiosum, 109, 193. - 



Theridium tepidariorum, 27, 111, 112, 104, 165, 

 1(89, 222, 237, 334, 376, 386, 389, 435. 



Theridium varians, 118. 



Theridium vari(>gatum, 189. 



Thcridiuin /.cloty))uni, 64, 119. 



