INDEX 



Abbreviations for plates, list of, 



489-90. 

 abbreviatus, Gompbiis, 275, 

 aberrata, Diamesa, 439. 

 Achorutes sp.?, 205. 

 advena, Nympbaea, see Nympbaea 



advena. 

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

 to species, 425. 



fuscns, 424, 425. 



smithii, 391, 424, 425-27. 

 explanation of plate, 497. 

 aequabilis, Calopteryx, 222, 223-24. 

 aequalis. Donacia, see Donacia 



aequalis. 

 Aesebna 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. 



apicalis, 242. 



aspersum, 256. 



bipunctulatuna, 244. 



canadense, 250. 



civile, 256. 



conditum, 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. 



AgTJou positum, 261. 



putridura, 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. 

 Amphizoidae, 289. 

 Anax Junius. 277, 279. 

 ancilla, Corydalis, 483. 

 androcladium, Sparganium, 294, 323. 



explanation of plate, 490. 

 angusticollis. Cbauliodes, 458. 462. 

 angustipenuis, Calopteryx, 222. 

 angustipenuis, Sylpbis, 222. 

 Anisoptera, 263-76. 

 annexum, Agrion, 253. 

 annexum, Enallagma, 253. 



explanation of plate, 489. 

 Anomalagrion, 236, 237, 262-63. 



bastatum, 262-63, 275. 



explanation of plates, 488, 489. 

 Anopbeles. 389, 39(\ 391, 392, 405-10, 

 411, 430. 



maculipennis. 407, 409-10. 

 explanation of plate, 496. 



