504 



NEW YORK STATE MUSEUM 



cincticornis, Donacia, see Donacia 



cincticovnis. 

 cinevasceous, Cliauliodes, 464-65, 484. 

 cinerea, Pliryganea, 287. 

 cinereum, Simnlium, see Simnlium 



cinereum. 

 Cioidae, 292, 294. 

 civile, Agrion, 256. 

 civile, Enallagma, 256, 279. 



explanation of plate, 489. 

 clavata, Dixa, 4o2, 

 clavipes, Donacia, 326. 

 Cleridae, 293. 

 Coccinellidae, 292. 

 cognata, Corydalis, 476, 479. 

 Coleoptera, aquatic, collections of, 



200; study of, 200. 

 Coleopterous larvae, 203, 288-94; key 



to families, 289-94. 

 Columbacz midge, 338. 

 columbaschense, Simnlium, 339. 

 columbatchensis, Simnlium, 351, 



352. 

 columbatczense, Simnlium, 345. 

 Colydiidae,_ 293. 

 Comstock, .T. H., acknowledgments 



to, 326, 328, 442; cited, 328, 329, 



332, 333, 336, 337, 433, 446, 483; 



mentioned, 329. 

 concava, Sialis, 448, 449, 483. 

 Concbyliastes, 392. 

 concolor, Cbauliodes, 458, 462-63. 

 conditum, Agrion, 245. 

 conditum, Cbromagrion, 246-47, 275. 



explanation of plate, 488. 

 conditum, Erythromma, 246. 

 conditum, 1 Erythromma, 245, 246. 

 congener, Lestes, 232, 233-34. 

 congregata, Thalassomyia, 436. 

 consobrinus, Culex, 416. 

 constricta, Aeschna, see Aeschna 



constricta. 

 Coquillett, D. W., cited, 357, 358, 



359, 361, 365, 368, 371, 376, 379, 



380, 381, 384, 388, 899, 401, 415, 



425. 

 Cordulegaster diastatops, 267, 268, 

 269, 275. 



maculatus, 275. 



sayi, 267-69, 276. 



Oordulegasterinae, 267-69. 

 Cordulia sburtlefE, 246, 250, 277. 

 Corduliinae, 269-70. 

 Coretbra, 207, 209-11, 217, 390, 391, 

 392-98. 



sp.?, 205, 206. 



albipes, 393, 394, 398. 



explanation of plate, 495. 



appendieulata, 392, 393, 394-95. 



brakeleyi, 399. 



cristallina, 395. 



culiciformis, 397. 



fusca, 392, 393. ' 



bafniensis, 395. 



? lateralis, 395. 



pallida, 304. 



pilicornis, 395. 



plumicorais, 209, 389, 392, 393, 

 394, 395, 396, 398. 

 explanation of plate, 494-95. 

 var. americana, 394, 395-97. 



punctipennis, 393, 394, 397. 



trivittata, 393, 394, 398. 

 Coretbrella, 332, 390, 391, 399-402. 



brakeleyi, 394, 399-402. 

 explanation of plate, 495. 

 Coretbriiuae, 204, 392-405. 

 Corisa. 210. 

 cornuta, Corydalis, see Corydalis 



cornuta. 

 cornuta, Kbapbidia, 478. 

 cornutus, Hemerobius, 478. 

 corripiens, Hermes, 469. 

 corripiens, Neuromus, 467, 469-70. 

 corruptum, Sympetrum, 271-73, 275, 



276. 

 Corydalinae, 443, 452-83; key to 

 genera, 452-53. 



explanation of plate, 499. 

 Corydalis, 452, 453, 454, 466, 470-83; 

 key to species, 476-77. 



affinis, 467. 



ancilla, 483. 



armata, 477, 482-83. 



armigera, 480. 



asiatica, 485, 486. 



batesii, 477, 481-82, 485. 



brongniarti, 486. 



cephalotes, 467. 



cognata, 476, 479. 



