D16 
Thalassomyia frauenfeldi, 486. 
fusca, 440. 
obscura, 437-39. 
explanation of plate, 498-99. 
Theobald, F. V., cited, 338, 388, 389, 
415. 
thoracica, Chrysopila, 286. 
Thysanura, 205. 
tibialis, Argia, 240, 244. 
explanation of plate, 488. 
tibialis, Platyenemis, 244. 
tibialis, Trichonemis, 244. 
Tipula flavescens, 280. 
flavicans, 279, 280-81. 
explanation of plate, 487. 
sericea, 337. 
Tipulid larva, 285-86. 
Tipulidae, 280, 331, 382. 
titia, Hetaerina, 227. 
Tomosvary, Edward, cited, 338. 
"Townsend, C. H. T., cited, 338, 379, 
386. 
Toxorhynchites, 392. 
Tramea carolina, 279. 
lacerata, 275. 
translata, Argia, 240, 245, 276. 
transversa, Didymops, 275. 
Trap lantern collecting, 200. 
traviatum, Enallagma, 257-58. 
explanation of plate, 489. 
tribulatum, Simulium, see Simulium 
tribulatum. 
Trichonemis tibialis, 244. 
Trichopter larva, 211. 
Trichoptera, 205, 206. 
explanation of plate, 487. 
tricolor, Calopteryx, 228. 
tricolor, Hetaerina, 226, 228. 
trimaculata, 
mis lydia (trimaculata). 
triseriatus, Culex, see Culex triseri- 
atus. 
trivittata, 
Trogositidae, 
Trox, 290. 
tuberculata, Donacia, 316. 
tuberculatum, Agrion, 261. 
Corethra, 398, 394, 398. 
298. 
Plathemis, see Plathe- | 
NEW YORK. STATE 
_ villosipes, Gomphus, 275. 
| violaceum, Agrion, 
| yon Siebold, cited, 307, 327. 
MUSEUM | 
Turkey gnat, 340. . 
Typha, 295. 5 
uhleri, Helocordulia, 275. 
uncata, Lestes, see Lestes uncata. 
unguiculata, Lestes, see Lestes 
unguiculata. 4 
Uranotaenia, 388, 391, 392, 427- 
sapphirina, 427-29. 
explanation of plate, 497. 
29, 
Van der Wulp, cited, 424. 
variegata, Simulium, 352, 
venosa, Dixa, 482. 
venustum, Simulium, see Simulium 
venustum. 
Verdat, G. J., cited, 338. 
verticalis, Agrion, 260. 
verticalis, Ischnura, 
verticalis. — 
vetula, Corydalis, 480. 
vexans, Culex, 421, 422. 
vicinum, Sympetrum, 278. 
vigilax, Lestes, see Lestes vigilax. 
ov. 
see Ischnura 
vinosa, Boyeria, 275. 
violacea, Argia, see Argia violacea. 
242. 
virgatum, Simulium, see Simuiium 
virgatum. | 
virginiensis, Chauliodes, 461. 
virginiensis, Hemerobius, 461. 
vittatum, Simulium, see Simulium — 
vittatum. 
Volger, cited, 350. 
Von Linné, Karl, cited, 484. 
Walker, cited, 360, 451, 
486. 
Wallengren, cited, 486. 
Walsh, Benjamin D., cited, 457, 472, 
475, 486. 
waltlii, Diamesa, 439-41. 
explanation of plates, 497, 498. 
Water beetles, 295. 
Water boatmen, 210. 
Water cress fly, 338, 339. 
Francis, 
