INDEX TO AQUATIC INSECTS IN NEW YORK STATE 
Enallagma aspersum, 256, 277, 279. 
explanation of plate, 489. 
earunculatum, 255-56. 
explanation of plates, 488, 489. 
civile, 256, 279. 
explanation of plate, 489. 
cyathigerum var. annexum, 253. 
 divagans, 254. 
explanation of plate, 489. 
doubledayi, 279. 
durum, 2538, 279. 
ebrium, 255, 277. 
explanation of plate, 489. 
exsulans, 255, 277. 
explanation of plates, 488, 48'). 
fischeri, 257. 
geminatum, 254, 277. 
explanation of plate, 489. 
hageni, 253-54, 275, 277. 
explanation of plate, 489. 
_laterale, 258. 
minusculum, 258. 
pictum, 258. 
piscinarium, 218, 250, 254-55. 
explanation of plate, 489. 
pollutum, 218, 250, 258, 277. 
explanation of plate, 489. 
signatum, 252, 258, 259, 275, 277. 
explanation of plates, 488, 489. 
traviatum, 257-58. 
explanation of plate, 489. 
Endomychidae, 291, 292. 
Epeira stellata, 279. 
Hphemeridae, 200, 204. 
Epicordulia princeps, 275. 
Epiphragma, 285. 
fascipennis, 203, 279, 281-85. 
explanation of plates, 487. 
pavonina, 281. 
picta, 284. 
eponina, Celithemis, 275. 
equiseti, Haemonia, 308. 
Erichson, I’. W., cited, 484. 
Erotylidae, 292. 
erythrocephala, Simulium, 851, 352, 
377. 
Hrythromma, 245, 246. 
conditum, 246. 
?Hrythromma conditum, 245, 246. 
Hucephala, 330. 
eurina, Lestes, see Lestes eurina. 
exilis, Gomphus, 275. 
explanation of plates, 487-99. 
exsulans, Agrion, 255. 
exsulans, Hnallagma, see Enallagma 
exsulans. 
externus, Gomphus, 264, 265. 
Fabricius, J. C., cited, 484. 
Fabricius, Otto, cited, 337, 3238. 
fasciatus, Chauliodes, 457, 458-59. 
fascipennis,. Hpiphragma, sée I pi- 
phragma fascipennis. 
fascipennis, Limnobia, 281. 
fecundum, Corydalites, 486. 
femoralis, Donacia, 316. 
fenestralis, Neuromus, 485. 
ferrugina, Callibaetis, 213. 
ferrugineus, Sialis, 450. 
Ficalbi, E., cited, 388, 389. 
fischeri, Enallagma, 257. 
Fishes, food of brook trout in Bone 
Pond, 204-18. 
flavescens, Pantala, 275. 
flavescens, Tipula, 280. 
flavicans, Tipula, 279, 280-81. 
explanation of plate, 487. 
flavilatera, Phryganea, 484. 
flavilatera, Sialis, 484. 
flavipes, Donacia, 317. 
Flies, black, 328, 336-88. 
caddis, 286. 
crane, 280, 282. 
damsel, 203, 218-638. 
dragon, 218, 241; appendix 
263-76; distribution of 
York, 276-79. 
harlequin, 433. 
house, 829. 
May, 206, 214. 
floridae, Donacia, 816, 
Iorbes, cited, 207. 
forcipata, 
pata. 
fossilis, Hemothetus, 484. 
fraternus, Biblio, 283, 
fraternus, Chauliodes, 
fraternus, Gomphus, 
276. 
| frauenfeldi, Thalassomyia, 436, 
on, 
New 
Lestes, see Lestes forcl- 
{S)), 
rT — 
264-65, 275, 
