IXDEX. 



369 



Ulobonis mammeatus, 172. 

 Uloborus walckenaerius, 173, 17s. 

 Underbill, H. M.. 27. 45. 47, 4S, 49. -V). 

 Uniformity in type of nests. 324. 

 Unity of nesting habit in Epeira, 299. 

 Upholstery, spider, 301. 



Variations in habits of Epeira sclopetaria, 

 115 ; in spinning orb plane, 150 ; in snare 

 of Triaranea, 139 ; in traplines of Zilla, 

 145 ; in traplines of Epeira, 146. 



Venom, see Poison. 



Vertical snares, 52. 



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



Viscid beads. 177. 2n-\ 



Viscid lines on Tubeweuver's snares, 351; on 

 Theridium's. 352: on Linyphia's, see Ap- 

 pendix. 



Walekenaer, M. le Baron, 23, 107, 10S, 110, 



12i. 157. 272. 

 Walking, anchored by dragline, (30 ; over 



leaves, 70. 



Wallace, Alfred Russell, 2:;:'-. 

 Wandering spiders, tribes composing them, 16. 

 Warburton, Mr. Cecil. 5ii. 

 Water spiders, H>0. 



Water necessary to spiders, 261, 262. 

 Wear and tear of web, 203. 

 Weather, effect on Labyrinthea's snare, 132. 

 Weaving, common methods of, 325, sqq. ; by 



lame, 329; by Psocirta?, 331. 

 West ring, Mcolas, 23. 24. 

 AVilder, Prof. Burt (T.. M.D., 14<5, 180, 184, 



190, 234. 



Wind, effects of, on webs, 209. 

 Wings, protective, of Argiope's web, 104, 105. 

 Wood, Rev. J. (I.. 212. 

 Wounds, by spiders, effect of, 27v 

 Wright. Mr. F. W., 275. 



Young spiders, 140, 230 ; habit of sailing the 

 water, ItiO; Labyrinthea, 132; snares of 

 Triaranea, 138 ; webs of Zilla, 144 ; varied 

 orbs of, 151. 



Zigxag ribbon of Argiope, 97, 102. 



Zilla, 171; looped spirals of, 140; nests of, 



Zilla atrica, 144. 

 Zilla callophylla, 144. 



Zilla x-notata, snare of, 142. 143: Scotch col- 

 ony, 143. traplines of, 144, 211. 

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



