INDEX 



Abbreviations for plates, list of, 



489-90. 

 abbreviatns, Gomphus, 275. 

 aberrata, Diainesa, 439. 

 Achorutes sp.?, 205. 

 advena, Nymphaea, see Nj^mphaea 



aclveua. 

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

 to species, 425. 



fuscus, 424, 425. 



smithii, 393, 424, 425-27. 

 explanation of plate, 497. 

 aequabilis, Calopteryx, 222, 223-24. 

 aequalis, Donacia, see Donaeia 



aequalis. 

 Aescbna constricta, 205, 206, 212-13, 

 275, 278. 

 explanation of plate, 487. 



Junius, 275. 

 affinis, Corydalis, 467. 

 Agrion, 245. 



n. sp., 253. 



americana, 226. 



annexum, 253. 



antennatum, 257. 



apicale, 242. 



apiealis, 242. 



aspersum, 256. 



bipunctulatuni, 244. 



canadense, 256. 



civile, 256. 



couditum, 245. 



credulum, 261. 



dentiferum, 258. 



discolor, 247. 



durum, 253. 



ebrium, 255. 



exsulans, 255. 



hageni, 253. 



bastatum, 262. 



iners, 261. 



irene, 249. 



maculata. 224. 



pollutum, 258. 



Agi'iou positum, 261. 



putridum, 240. 



ramburii, 260, 201. 



saucium, 247. 



sign a turn, 258. 



tuberculatum, 261. 



verticalis, 260. 



violaceum, 242. 

 Agrionidae, 219, 220. 

 Agriouinae, 218, 220, 2.36-63; key to 



genera. 236-37. 

 albipes, Coretbra, see Coretlira al- 



bipes. 

 Aldricb, acknoAvledgments to, 328. 

 amata, Calopteryx, 222. 

 americana, Agrion, 226. 

 americana, Calopteryx, 226. 

 americana, Hetaerina, see Iletae- 



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. 

 androcladium, Sparganium, 294, 323. 



explanation of plate, 490. 

 angusticollis. Cbauliodes. 4.58. 462. 

 angustipennis, Calopteryx, 222. 

 angustipennis, Sylpbis, 222. 

 Anisoptera, 263-76. 

 annexum, Agrion, 253. 

 annexum, Enallagnia, 253. 



explanation of plate, 489. 

 Anomalagrion. 236, 237, 262-63. 



bastatum, 262-63, 275. 



explanation of plates, 488, 489. 

 Anopheles, 389, 390, 391, 392, 405-10, 

 411, 4.30. 



maculipennis, 407, 409-10. 

 explanation of plate, 496. 



