INDEX OF 
Abdomen, anatomy of, 22; general deserip- 
tion of, 25; manner of protecting, 288 ; 
section view of organs, 27. 
Acrosoma, characteristic snares, 55; compared 
with Orchard spider, 153; influence of cli- 
mate upon, 164; length of legs, 24; rib- 
boned brace, 57; webs of, 64. 
Acrosoma mitrata, 126, 127. 
Acrosoma rugosa, foundation web, 73; snare 
of, 125, 126; Acrosoma rugosa, 338 ; man- 
ner of trapping flies, 254. 
Acrosoma spinea, 126; position at hub, 127. 
Adaptation, in laying foundation lines, 73; 
after mutilation, 78; in spinning spirals, 
82, 83; labor saving, 85; to force of winds, 
209, 216, 217; of orbweb for its ends, 247 ; 
in nesting habits of Epeira strix, 289, 290; 
of nesting habit, 297. 
Aeronautic habits, swinging basket, 68, 69. 
Affinities, 204. 
Agalena labyrinthea, 45. 
Agalena noevia, 23, 28, 220, 221, 227, 260, 315, 
345, 353. 
“Asricultural Ants of Texas,” author’s work, 
164, 168. 
Air currents, in making foundation lines, 62, 
64, 74. 
Alternate apposition of radii, 75, 228. 
Amaurobius, sticky web of, 351, 852; see Ap- 
pendix. 
Analogies, in spinningwork of Orbweavers 
and Lineweavers, 170. 
Anatomy of spiders, see Chapters I., IT. 
Anchors, of stone, for orbwebs, 213, 214. 
Angulata group, nesting habits, 299. 
Anthropomorphism, 210. 
» Apstine, Dr. Carl, see Appendix. 
Arachne, Greek myth of, 15. 
Arachnida, origin of the word, 15. 
Architecture, 284; see Nesting habits. 
Argiope, ribboned decorations, 57. 
Argiope argentata, character of orb, 108. 
Argiope argenteola, 108, 
VOLUME I. 
Argiope argyraspis, 59, 87, 95; decorations on 
web, 107; suspended to snare, 55; view of 
abdomen, 22. 
Argiope cophinaria, 90; character of orb, 108; 
description of snare, Chapter VIII., 96, 
229; as a bird catcher, 234; curious in- 
cident while feeding, 256; distribution, 
96; loses a captured bee, 258; protective 
wings of, 309; sheeted hub, 55, 56; silk 
glands, 40; snare, figure of, 52; spinning 
spigots, 38; spinning spools, 37; swathing 
insects, 250. 
Argiope fasciata Hentz, see Argiope argy- 
raspis. 
Argiope riparia, see Argiope cophinaria. 
Argyroneta aquatica, nest of, 328. 
Argyroepeira hhortorum, 77, 91, 92; beautiful 
colors, 151; favorite sites, 152; position at 
hub, 152; protective apron, 152; orb char- 
acteristics, 153. 
Armature of orbwebs, 78, Chapter V. 
Attoide, 19. 
Attoids compared with Lycosids, 20. 
Atypus Abboti, nests of, 325. 
Ausserer, 16, 28. 
Bag worm, 332. 
Ballooning, see Aeronautic habits. 
Banks, Sir J., 77. “ 
Basilica spider, see Epeira basilica. 
Beads, viscid, 80; on spirals, acid character 
of, 95, 96; adhesiveness of, 94; appearance 
to eye, 88; formation of, 88, 89; dissolved 
by rain, 91, 92; effect of sun and air on, 
94; natural formation of, 90, 91; prey on 
webs, 93, 94; size and shape, 87; value in 
capturing prey, 86; on Tubeweavers’ 
snares; 351; on Theridium’s snare, 352; 
see Appendix. 
Bee, honey, escaping from spider’s swathing, 
258. 
Bertkau, Dr. Philip, 18, 21, 178. 
Bible reference to spider, 26, 
(362) 
