368 



IKDEX. 



Spirals, art of siiinning, 80 ; character of 

 notched, 80 ; deltated by rain, 92 ; of floc- 

 culent thread, 177; scaffoldinf,' for, 79; 

 mode of spinning with Triangle spider, 

 184 ; rapidly spun, 8G ; variation in num- 

 ber, 139; viscid material on, 90. 



Spring, Prof. Edward A., 235. 



Springing the snare, 202. 



Snare, control of, by feet, 114. 



Solomon, reference to spider, 26. 



Spools, spinning, 37, 88, 40 ; see Appendix. 



Staveley, E. F., 317. 



Stilt spider, see Tetragnatha grallator. 



Stings of insects compared with sjiider poi- 

 son, 272. 



Superstitions concerning spider venom, 281. 



Suspension bridges, 62. 



Swathing, manner of, 191, 249, 2.j0, 253. 



Symmetry, not essential, 208. 



Tailed spider, 128; .see Cyclosa caudata. 



Tarantula, 16, 271, 326; dance, 282. 



Tegenaria, 45. 



Tegenaria civilis, 278. 



Tegenaria domestica, 49. 



Tegenaria giiyonii, 262. 



Tegenaria medicinalis, 95, 316, 353; captures 

 a snake, 238; its web and cocoon, 239; 

 strength of its web, 240 ; seizing insects, 261. 



Telegraphy, 337, 338. 



Tents, nesting, 291 ; made of leaf, 308. 



Terby, M. F., 63. 



Tetragnatha, 154; position on web, 155; 

 webs over water, 64. 



Tetragnatha elongata, see Tetragnatha gral- 

 lator. 



Tetragnatha extensa, is it imported ft-oni 

 Europe, 155 ; distribution, 155 ; jaws and 

 mouth parts, 155; colors, 155; position on 

 hub, 156. 



Tetragnatha gi-allator, 157, 206 ; favorite posi- 

 tions, 158 ; walking on the water, 159 ; 

 navigating the water, 160; silken sails of, 

 161; distribution, 162. 



Tetragnatha vermiformis navigating the wa- 

 ter, 160. 



Territelarise, figure of, 16 ; nests of, 323, sqq. 



Theridioids, spinningwork, relations with 

 Orbweavers, 16(). 



Theridiosoma gennnosum, see Tlu'ridiosoma 

 radiosum. 



Theridiosoma, 340, 341, 350. 



Theridium, 205, 223, 353, 355; trestle snare 

 of, 342. 



Theridium differens, 224, 351. 



Theridium nervosum, 316, 352. 



Theridium tepidariorum, 342; captures a 

 snake, 240, 241, 245 ; figure of, 20 ; face of, 

 21 ; globular snares of, 225. 



Theridium riparium, 19; nest of, Blackwall's 

 study, 317 ; full description of nests, 318, 319. 



Theridium zclotypum, 317, 346. 



Theridiosoma radiosum, the Ray spider. 

 Chapter XII. 



Theridiopterix, 332. 



Thompson, Charles H., lO'J. 



Thorell, Prof Tamarlan, M.D., 16, 18, 25, 77, 

 146, 171, 181, 192, 196, 215; answer to 

 Bertkau, 18; arrangement of spiders, 15; 

 general classification, 17 ; on instincts, 19. 



Tools, snares of spiders, 247. 



Tortricid moth, nest of larva, 320. 



Trail of silk, 337. 



Trapdoor spider, 19; nests of, 321, 323, 324. 



Ti'apline, Laljyrinth spider, 134 ; and slack 

 line, 201 ; variation in form with Zilla, 

 144, 145, evolution of, Chapter XIX. ; sim- 

 plest form of, 336; as a trail and tele- 

 graph, 337 ; multiplex traplines, 340 ; Ray 

 spider's, 341 ; Epeira trifolium, trapline 

 and nest, 337. 



Trapping insects, 144 ; liy means of foot lines, 

 113; by Hyptiotes, 190; by Ray spider, 

 201; with fractured snare, 339. 



Treat, Jlrs. Mary, 122, 181, 182, 218, 263. 



Trestles, by Theridium, 223. 



Treviranus, 28. 



Ti-iangle form of orb frame, 72. 



Triangle spider. Chapter XI., 180 ; see Hyp- 

 tiotes cavatus. 



Tube, the germinal form of nests, 315 ; as 

 germinal form of nest, 346. 



Tube making habit, 346. 



Tubeweavers, 19, 23, 345, 353 ; manner of feed- 

 ing, 260 ; nests of, 315. 



Tubeweaving, origin of habit, 329 ; among 

 Orbweavers, 141. 



Tubitelarioe, 16 ; see Tubeweavers. 



Tubular bridges, 222. 



Tunnelweavers, 347. 



TuiTCt spider, 19, 314. 



Trussing captives, 254. 



Uloborus, 3.50, 354; flossy braces, 58; spin- 

 ningwork of. Chapter X., 172. 



Uloborus plumipes, character of snares, 174 ; 

 web measurements, 175 ; ribbon decora- 

 tions, 175, 176; a genuine Orbweaver, 177; 

 position beneath her orb, 179 ; distribu- 

 tion, 172. 



