INDEX OF VOLUME I. 



Abdonion, anatDiiiy of, 22; general descrip- 

 tion of, 25 ; manner of protecting, 288 ; 

 section view of organs, 27. 

 Acropnma, characteristic snares, 55 ; compared 

 with Orchard spider, 153 ; infiuence of cli- 

 mate upon, llii ; length of legs, 24 ; rib- 

 boned brace, 57 ; webs of, G4. 



AcroBoma mitrata, 126, 127. 



Acrosoma nigosa,. foundation web, 7.'5 ; snare 

 of, 125, 126 ; Acrosoma rugosa, mS ; man- 

 ner of trapping flies, 254. 



Acrosoma spinea, 126; position at luil), 127. 



Adaptation, in laying foundation lines, 73; 

 after mutilation, 78; in spinning spirals, 

 82, 83 ; labor sjiving, 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 laliyrinthea, 4.5. 



Agalena ncuvia, 23, 28, 220, 221, 227, 260, 315, 

 345, 353. 



"Agricultural Ants of Texas," author's work, 

 104, 168. 



Air currents, in making foundation lines, 62, 

 64, 74. 



Alternate apposition of radii, 75, 228. 



Amaurobius, sticky web of, 351, 352; see Ap- 

 pendix. 



Analogies, in sjiinningwork of Urbweavers 

 anil Jiinewcavers, 170. 



Anatomy of spiders, see Chapters I., II. 



Anchors, of stone, for orbwebs, 213, 214. 



Angulata group, nesting habits, 299. 



Anthropomorphism, 210. 



Apstiue, 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. 



Argiope argyrasjiis, 59, 87, 95 ; decorations on 

 web, 107 ; suspended to snare, 55 ; view of 

 abdomen, 22. 



Argiope cophinaria, 90 ; character of orb, 108 ; 

 descrii)tion of snare. Chapter VIII., 96, 

 229 ; as a bird catcher, 234 ; curious in- 

 cident while feeding, 256; distribution, 

 96 ; loses a captured bee, 258 ; jirotective 

 wings of, 309; sheeted hub, 55, 56; silk 

 glands, 40 ; snare, figure of, 52 ; spinning 

 spigots, 38; spinning spools, 37; swathing 

 insects, 2.50. 

 "Argiope fasciata Ilentz, see Argiope argy- 

 raspis. 



Argiope riparia, see Argiope cophinaria. 



.\rgyroneta afjuatica, nest of, 328. 



Argyroepeira hortorum, 77, 91, 92; beautiful 

 colors, 151 ; favorite sites, 152 ; ixisition at 

 hub, 152; protective apron, 152; orb char- 

 acteristics, 153. 



Armature of orbwebs, 78, Chajiler V. 



Attoida;, 19. 



Attoids comi)ared with Lycosids, 20. 



Atypus Abboti, nests of, 325. 



Aussercr, 16, 28. 



Bag wiirni, 332. 



Ballooning, see .\rronautic hal>its. 



Banks, Sir J., 77. 



Basilica spider, sec Eiieira 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 ; eflcct of sun and air on, 

 94; natural formation of, 90, 91; prey on 

 webs, 93, 94 ; size and shai)e, 87 ; value in 

 capturing prey, 86; on Tiibeweavers' 

 snares ; 351 ; on Theridium's snare, 352 ; 

 see Apjiendix. 

 j Bee, honey, escaping from spider's swathing, 



258. 

 ! Bertkau, Dr. rhilii>, 18, 21, 178. 



Bible reference to spider, 26. 

 (362) . 



