INDEX 



Abbreviations for plates, list of, 



489-90. 

 abbreviatns, Gompbus, 275. 

 aberrata, Diamesa, 439. 

 Achorutes sp.?, 205. 

 advena, Nympbaea, see Nympbaea 



advena. 

 Aedes, 388, 390, 391, 392, 424-27; key 

 to species, 425. 



fuscus, 424, 425. 



smithii, 391, 424, 425-27. 

 explanation of plate, 497. 

 aequabilis, Calopterys, 222, 223-24. 

 aequalis, Donacia, see Donacia 



aequalis. 

 Aescbna constricta, 205, 206, 212-13, 

 275, 278. , 

 explanation of plate, 487. 



Junius, 275. 

 affinis, Corydalls, 467. 

 Agrion, 245. 



n. sp., 253. 



americana, 226. 



annexum, 253. 



antennatum, 257. 



apicale, 242. 



apicalis, 242. 



aspersum, 256. 



bipunctulatum, 244. 



canadense, 25C. 



civile, 2.5«. 



conditum, 245. 



credulum, 261. 



dentlferum, 258. 



discolor, 247. 



durum, 253. 



ebrium, 255. 



exsulans, 255. 



hageni, 258. 



bastatum, 262. 



Iners, 261. 



Irene, 249. 



maeulata, 224. 



pollutum, 258. 



Agrion positum, 261. 



putridum, 240. 



ramburii, 260, 261. . 



saucium, 247. 



signatum, 258. 



tuberculatum, 261. 



verticalis, 260. 



violaceum, 242. 

 Agrionidae, 219, 220. 

 Agrioninae, 218, 220, 236-63; key to 



genera, 236-37. 

 albipes, Coretbra, see Coretbra al- 



bipes. 

 Aldricb, acknowledgments to, 328. 

 amata, Calopteryx, 222. 

 americana, Agrion, 226. 

 americana, Calopteryx, 226. 

 americana, Hetaerina, see Hetae- 



rina americana. 

 americana, Pelorempis, 403-5. 

 americana, Sialis, 448, 450-51. 

 Ampbiagrion, 236, 237, 247-49. 



discolor, 247. 



saucium, 247-49, 275, 276. 

 explanation of plates, 488, 489. 

 Ampbizoidae, 289. 

 Anax Junius, 277, 279. 

 ancilla, Corydalis, 483. 

 audrocladium, Sparganium, 294, 323. 



explanation of plate, 490. 

 angusticollis. Chauliodes, 458, 462. 

 angustipennis, Calopteryx, 222. 

 angustipennis, Sylpbis, 222. 

 Anisoptera, 263-76. 

 annexum, Agrion, 253. 

 annexum, Enallagma, 253. 



explanation of plate, 489. 

 Anomalagrlon, 236, 237, 262-63. 



bastatum, 262-68, 275. 



explanation of plates, 488, 489. 

 Anopbeles, 389, 390, 391, 892, 405-10, 

 411, 430. 



maculipennis, 407, 409-10. 

 explanation of plate, 496. 



