INDEX. 



363 



Blackwall, 26, 28, 49, 56, 61, 63, 75, 76, 85, 93, 

 129, 231, 249, 279, 317; classification of 

 spiders, 17 ; experiments with iioison of 

 spiders, 271. 



Bowin<j the snare, 198. 



Bridge Hnes, 342. 



Bridges, of spiiler silk, 63, 64, 65 ; snare of 

 Stilt spider, 157, 158. 



Bridge suspension of Tlieridium, 224. 



Bucholz, Dr. Reinliold, anatomy of spinning 

 organs, 35, 40; see Chapter II. 



Bucholz and Landois, 42; see C'luipter 11. 



Cadilis flies, various nests of, 333, 334. 



Capturing insects, 206. 



Calauiistrum, 26, 177, 186, 351 ; of Hyptiotes, 



186. 

 Camljridge, Rev. O. Pickard-Cambridge, 19, 



23, 27, 28, 62, 174, 195, 204, 263, 272, 279. 

 Campbell, Mr. F. Maule, 143, 262. 

 Cannibalism, 2.59. 



Capturing insects, liy Laliyrinthea, 132. 

 Cephalothorax descriljed, 21. 

 Central space, economy of, 56. 

 Chandler, Mr. Horace P., photograph of 



Epeira's nest, 110. 

 Ciniflo atrox, 278. 

 Citigrades, 16, 20, 347. 

 Classification, general divisions, 17. 

 Claws, used in hanging to snare, 55. 

 Cleaver, Mr. P., 243. 

 Climate, limiting distribution, 163. 

 Cocoon, influence of position, 2.59 ; egg bag 



of Lycosa, 327 ; of Theridium nervosum 



and T. riparium, 317; nests of Misumena 



and Philodromus, 323 ; tent of Attus, 327 ; 



tent of Water spider, 328. 

 Cocooning, 347 ; boxes for observing, 29 ; of 



Argiope cophinaria, 39. 

 Coil of slack line, 189. 

 Collecting, implements for, 31 ; "manner of, 



28, 29. 

 Color, 26 ; brilliancy of certain spiders, 20 ; 



of Nephila's threads, 147 ; of Tetragnatha 



extensa, 1.56; of Orchard spider, 151, of 



Tetragnatha, 155. 

 Composite snares, 130. 

 Construction of leaf nests, 299. 

 Cooperative housekeeping, 135, 348. 

 Counterpoise, 210. 



Courtship of Epeira laliyrinthea, 132. 

 Cribellura, 178, 351. 



Cteniza californica, see Trapdoor spider, 19. 

 Currents of air, use in beginning a snare, 62. 

 Cyclosa caudata, 87, 128. 



Cyclosa bitiirca, 128. 

 Cylindrical glands, 42. 

 Cyrtauchenius elongatus, 322. 



Darting threads, 45. 



Darwin, 234. 



Decoration, ribbon cords, 57 ; ril)bons of TJlo- 



borus, 175, 176 ; on orb of Argiope, 107 ; 



flossy, on Gasteracantha's web, 123. 

 De Laet, 233. 

 Development of Labyrinth spider's web, 134; 



of habit in Triaranea, 141, 142, 162, 247. 

 Dews, effect of, on webs, 231, 232. 

 Diagram of spinning organs, 39. 

 Dictyna, 3-54 ; curled thread of, 348 ; snares 



of, 349. 

 Dictyna philoteichus, webs of, 348. 

 Diptera, indifference to a spider, 257. 

 Direction, sense of, 248. 

 Distribution, 109, 182; vertical, of Domicile 



spider, 116; effect on Epeira strix, 111. 

 Dolomedes scriptus, 311. 

 Dolomedes sexpunctatus, nest of, 347. 

 Dolomedes captures a spider, 236. 

 Domed orbs, 150, 164. 



Domicile sjiider, see Epeira domiciliorum. 

 Dragline, 60, 61, 342. 

 Drassus ater, spinning sjwols, 49. 

 Drassus, felx and fang of, 272 ; nest of, 316. 

 Drinking, 262. 

 Duct, of sUk glands, 42 ; length of, in Tege- 



naria, 49. 

 Dysdera, 223. 

 Dysdera Ijicolor, 222. 



Edwards, Rev. Dr. Jonathan, observation of 



spiders, 68. 

 Eigenmann, Mrs. Rosa Smith, 120, 122, 125, 



142, 211, 298. 

 Emerton, J. H., 59, 86, 106, 129, 178, 186. 

 Enemies of spiders, 132. 

 Engineering skill of spiders, 208, Chapter 



XIII., 342, 343. 

 Environment, influence in selecting web 



sites, 68 ; influence on food, 2.59 ; on di.s- 



tribution, 163 ; power to resist, 103. 

 Epeira, figure of face, 21; floating on the 



water, 161 ; the most common species, 110 ; 



orbs of, frequent, 56; orbs over water, 64. 

 Epeira apoclisa, 93, 299. 

 Epeira basilica, its discovery, 164 ; form of 



snare, 165 ; figure of the spider, 165 ; 



architecture of snare, 166 ; manner of 



building the dome, 168 ; cocoons, 169 ; 



web relations with Orchard spider, 168. 



