INDEX. 



369 



Ulohorus mammeatus, 172. 

 Uloborus waU-kt'iuierius, 173, 178. 

 Underbill, H. M., 27, 45, 47, 48, 49, 50, 328. 

 Uniformity in tyjR' of nest.*, 324. 

 Unity of nestinjr habit in Epeira, 299. 

 Upholstery, spider, 301. 



Variations in habit.s of EjuMra sdopetaria, 

 115; in spinning orb plane, 1-50; in snare 

 of Triaranea, 139; in traplines of Zilla, 

 145; in traplines of Epeira, 140. 



Venom, see Poison. 



Vertical snares, 52. 



Vinson, Dr. Autaiste, 95, 124, 233, 310. 



Viscid beads, 177, 205. 



Viscid lines on Tulieweaver's snares, 351 ; on 

 Theridium's, 352; on Linyphia's, see Ap- 

 pendix. 



Walckenaer, M. le Baron, 23, 107, 108, 110, 



126, 157, 272. 

 Walking, anchored by dragline, 60 ; over 



leaves, 70. 

 Wallace, Alfred Russell, 233. 

 Wandering spiders, tribes c(jmposing them, 16. 

 Warburton, Mr. Cecil, 56. 

 Water spiders, 1()0, 328. 



Water necessary to spiders, 261, 262. 

 Wear and tear of web, 203. 

 Weather, effect on Labyrinthea's snare, 132. 

 Wi'a\ing, common methods of, 325, sqq. ; Ijy 



larvae, 329; by Psocida?, .331. 

 Westring, Nicolas, 23, 24. 

 Wilder, Prof. Burt O., M.l)., 146, 180, 184, 



190, 234. 

 A\'ind, effects of, on weljs, 209. 

 ^\'ings, protective, of Argiope's web, 104, 105. 

 Wood, Rev. J. G., 212. 

 Wounds, by spiders, effect of, 278. 

 Wright, 'Sir. V. W., 275. 



Young spiders, 140, 2.30; habit of sailing the 

 water, KM) ; Labyrinthea, 132 ; snares of 

 Triaranea, 138 ; webs of Zilla, 144 ; varied 

 orbs of, 151. 



Zigzag ribbon of Argiope, 97, 102. 



Zilla, 171; looj^ed spirals of, 140; nests of, 

 302. 



Zilla atrica, 144. 



Zilla callophylla, 144. 



Zilla x-notatii, snare of, 142, 143; Scotch col- 

 ony, 143, traplines of, 144, 211. 



Zone, notched, 56, 58 ; free, 58. 



