INDEX 
Ephemeridae, 407, 414, 435. 
Epicoccum neglectum, 261. 
Equisetaceae, 559. 
Equisetum arvense, 559. 
hyemale, 559. 
intermedium, 559. 
Eragrostis megastachya, 560. 
pectinacea, 551, 552, 560. 
trichodes, 560. 
Erax, 89, 90, 99. 
aestuans, 93-94. 
albibarbis, 94. 
cinerascens, 94. 
interruptus, 92. 
lateralis, 92. 
maculatus, 92-93. 
Erigeron annuus, 567. 
philadelphicus, 567. 
ramosus, 567. 
Erimyzon sucetta oblongus, 230. 
Eryngium yuccifolium, 539, 556, 565. 
Esox lucius, 242. 
Eudorina, 442. 
Eupatorium perfoliatum, 554, 567. 
purpureum, 567. 
serotina, 567. 
Euphorbia corollata, 549, 556, 564. 
dentata, 564. 
geyeri, 564. 
humistrata, 564. 
maculata, 564. 
preslii, 555, 564. 
Euphorbiaceae, 564. 
Eupomotis gibbosus, 230, 233, 236. 
Euptychodera, 168. 
European Corn-borer, 287-291, 293 (see 
Errata), 294, 298-302. 
Eurygaster, 167, 168. 
alternatus, 168. 
Euschistus, 158, 160, 165, 177, 189-194. 
euschistoides, 190, 191, 192, 193-194. 
fissilis, 193. 
ictericus, 190, 191, 194. 
impictiventris, 190, 193. 
luridus, 192. 
pallidus, 192. 
587 
Euschistus—Continued. 
politus, 190, 192. 
pyrrhocerus, 190, 192-193. 
servus, 190, 191, 193. 
subimpunctatus, 190, 191-192. 
tristigmus, 190, 192. 
variolarius, 191, 194. 
variolarius, 191, 194. 
Euthyrhynchus, 197. 
Eutrixa, 55, 56. 
exile, 107, 110, 112-114. 
masuria, 112. 
Eutrixoides jonesii, 107, 110. 
Evening Primrose, 293. 
Eventognathi, 230. 
Exoprosopa, 55, 56, 69. 
fascipennis, 69, 71, 72. 
pueblensis, 72. 
Eysarcoris, 180. 
F 
Falco sparverius, 125. 
Fannia canicularis, 118. 
Fauna, small bottom- and shore-, of 
middle and lower Ill. R. and its 
connecting lakes, 363-522. 
Festuca elatior, 560. 
Field-mice, 129. 
Filicollis, 237. 
Fir, 569. 
Fish-yields, 376, 463-467, 469-471. 
Fishes, 25, 26, 27, 28, 30, 31, 32, 33, 
34, 35, 36, 146, 148, 149, 150, 151, 
152, 158, 154, 155, 156, 225, 227, 
228, 232, 238, 237, 238, 239, 240, 
251, 2538, 317, 326, 431, 578. 
bottom-feeding, 365. 
carp-like, 467. 
game, 155. 
Flagellates, 440, 441. 
Flicker, 125. 
Flycatcher, Crested, 125. 
Scissor-tailed, 125. 
Fogheta, 260. 
Fokkeria, 167. 
Fox, 128. 
Fragaria virginiana, 555, 563. 
