INDEX TO AQUATIC INSECTS IN NEW YORK STATE 
Corydalis cornuta, 471, 472-76, 478, 
482, 483, 484, 485, 486. 
cornutus, 478. 
crassicornis, 476, 479-80, 485. 
hecate, 467, 485. 
hieroglyphicus, 469. 
illota, 468. 
inamabilis, 476, 477, 485. 
livida, 469. 
lutea, 476, 480-81. 
lutea?, 484. 
nubila, 477, 482, 484. 
peruviana, 476, 480. 
soror, 467. 
vetula, 480. 
Corydalites fecundum, 486. 
‘Crane fly, 280, 282. 
erassicornis, Corydalis, 476, 479-80, 
485. 
erassipes, Atax, 205, 206, 217. 
crassipes, Donacia, 298, 307, 327. 
crassus, Gomphus, 264. 
credulum, Agrion, 261. 
eristallina, Corethra, 395. 
Cucujidae, 293. 
Culex, 388, 390, 391, 406, 411-24, 
426, 427, 428; larvae, key to 
species, 415-16. 
atropalpus, 416. 
bimaculatus, 416. 
canadensis, 416. 
cantans, 416, 419-21, 422, 424. 
explanation of plate, 497. 
econsobrinus, 416. 
dyari, 416. 
jamaicensis, 416. 
melanurus, 416. 
nigritulus, 416. 
pipiens, 416, 418-19, 424. 
explanation of plate, 496. 
restuans, 416, 417-18. 
explanation of plate, 496. 
signifer, 415. 
sollicitans, 416. 
stimulans, 419, 421. 
sylvestris, 416, 421-23. 
explanation of plate, 495. 
taeniorhynehus, 416, 
territans, 416. E 
- Culicidae, 
505 
Culex triseriatus, 416, 420, 423-24. 
explanation of plate, 497. _ 
vexans, 421, 422. 
204,; 219; 328;,.-3a1, 332, 
388-429; key to genera, 390-92. 
culiciformis, Corethra, 397. 
Culicinae, 405-29. 
culicoides, Diamesa, 441. 
Cuvier, G. L. C. F. D., cited, 483. 
cyanea, Libellula, 273-74. 
eyathigerum var. annexum, Enal- 
lagma, 253. 
Cyclorrhapha, 329. 
cynosura, Tetragoneuria, 275. 
Damsel flies, 203, 218-63. 
Daphnidae, 205, 206, 217. 
Dascyllidae, 291. 
Davis, K. C., work of, 201; Sialidi- 
dae of North and South America, 
. 204, 442-86; cited, 218. 
decorum, Simulium, see Simulium 
decorum. 
De Geer, Carl, cited, 483. 
dentiferum, Agrion, 258. 
Dermestidae, 291. 
descriptus, Gomphus, 265, 267, 275. 
-Dewitz, cited, 308, 327. 
Diamesa, 489-41. 
aberrata, 439. 
culicoides, 441. 
nivoriundus, 459. 
waltlii, 489-41. 
explanation of plates, 497, 498. 
diastatops, Cordulegaster, see Cor- 
dulegaster diastatops. 
dichrous, Neuromus, 485. 
Didymops transversa, 275. 
dilatatus, Gomphus, 265, 266, 276. 
dimidiata race apicalis, Calopteryx, 
228. 
Diptera, 203, 207, 279-87. 
explanation of plate, 487. 
brachycerous, 383s. 
nematocerous, 200, 328-441; key to 
”» 
330-32, 
families, 
discolor, Agrion, 247. 
discolor, Amphiagrion, 247. 
disjuncta, Lestes, see Lestes dis- 
juncta, 
