580 INDEX 
Ameiurus melas, 27, 230, 238. 
nebulosus, 155, 230, 238. 
Amia calva, 230, 236. 
Amnestus, 204, 205. 
pallidus, 205, 206. 
pusillus, 206. 
spinifrons, 205, 206. 
Amnicola emarginata, 477, 479, 481, 
485, 488, 495, 496, 502, 504, 505, 
508, 510, 511. 
limosa, 495-497, 499-501, 505-508, 
510-515, 521. 
sp., 488. 
Amnicolidae, 381, 427, 431, 432, 435, 
436, 515-520. 
Amorpha canescens, 563. 
Amphibia, 229, 231, 232, 233, 234. 
Amphibians, 56, 127, 129, 239. 
Ampullaria, 472. 
Amyda spinifera, 231. 
Anasa, 161. 
tristis, 162. 
Anastatus sp., 174. 
Ancylus sp., 477. 
Andrallus, 196, 198.. 
spinidens, 198. 
Andropogon, 528, 539, 557. 
furcatus, 532, 5338, 534, 538, 589, 540, 
541, 542, 543, 544, 545, 546, 547, 
550, 551, 552, 553, 554, 555, 557, 
558, 559, 569. 
scoparius, 538, 539, 540, 545, 546, 
547, 550, 551, 552, 5538, 554, 556, 
558, 559, 570. 
Anemone canadensis, 555, 563. 
cylindrica, 563. 
Angelica, 3. 
Anguilla chrysypa, 230, 242. 
Ani, common, 126. 
grooved-bill, 126. 
Anisoplia austriaca, 122. 
Anomala, 59. 
Anopheles, 307, 309, 310, 311, 317, 318, 
322, 325, 326. 
guttulatus, 320, 321. 
punctipennis, 320, 321. 
Anopheline and Culicine larvae and 
adults, 310. 
Antennaria neodioica, 567. 
plantaginifolia, 567. 
Anthemis cotula, 568. 
Anthomyiid, 115. 
Anthrax, 55, 56, 69. 
parvicornis, 72. > 
Antrostomus carolinensis, 126. 
Ants, 55, 102. 
Anychia polygonoides, 562. 
Apateticus, 161, 176, 197, 199, 218. 
bracteatus, 199, 200. 
crocatus, 199, 200. 
eynicus, 199, 200, 201. 
maculiventris, 199, 201. 
modestus, 199, 200, 201. 
placidus, 199, 200. 
serieventris, 199, 201. 
Aphids, 345, 355, 357. 
Aphis maidis, 64. 
rumicis, 355. 
Aphonus pyriformis, 83, 84. 
Apios tuberosa, 564. 
Aplodinotus grunniens, 230. 
Apocynaceae, 565. 
Apocynum cannabinum hypericifolium, 
539, 555, 565. 
Apodes, 230. 
Apoecilus, 199, 219. 
bracteatus, 200. 
crocatus, 200. 
cynicus, 200. 
Apple, 173, 174, 181, 201, 355. 
Araceae, 561. 
Aradidae, 161. 
Aradus, 161. 
Archimerus, 160. 
Aristida oligantha, 556, 560. 
tuberculosa, 549, 560. 
Arma bracteata, 200. 
modesta, 200. 
Army-worm, 295. 
Fall, 295. 
Army-worms, 117. 
Arribalzaga, 320. 
Arrowhead, 325. 
