INDEX 
ABRA, 119. 
Abramis chrysoleucas, 171. 
Acanthacee, 295. 
Acarina, 151, 181, 240. 
Acella, 129-131, 138, 249, 283. 
Acella haldemani, 39, 44, 54, 77, 
78, 98, 99, 107, 130, 136, 138- 
141, 148, 217, 248, 271, 283, 
284, 287. 
Accipenser brevirostrum, 157. 
Accipenser rubicundus, 158. 
Acorns, 234. 
Acroneuria, 58, 102, 304. 
Acroperus, 175. 
Adams, 51, 58, 66, 71, 86, 119, 
136, 155, 203, 236, 298, 300. 
Adirondack Mountains, 192, 200, 
214, 
Adolph, 200. 
ZEdogonium, 147. 
Amschna, 62, 74, 94, 96, 303, 304. 
‘®schna constricta, 209. 
Aschnide, 206, 303. 
Agelaius pheeniceus, 235, 246. 
Agrion, 168, 182. 
Agrionide, 190, 303. 
Alasmidonta undulata, 64, 78, 95, 
106, 126, 128, 220, 222, 249, 
251, 255, 287. 
Alge, 59, 104, 135, 137, 139, 143, 
144, 145, 148-152, 157, 161, 165, 
166, 168,.170, 171, 177, 178, 182, 
187, 188, 194, 205-207, 210, 225, 
226, 232, 244, 255, 268, 269, 273, 
277, 279, 282-284, 292, 319-323. 
Alge, filamentous, 57, 135, 141, 
142, 150-153, 168, 169, 173, 175, 
177, 179, 194-196, 205, 273, 277, 
280, 286, 322. 
Alismacesr, 293. 
Allen, 146, 235. 
Allorchestes, 169, 182-184, 190, 
194, 225. 
Allorchestes dentata, 194, 195, 
179, 182, 225. 
Alona, 165, 166, 168, 176, 
88, 188, 192, 195, 299. 
Ambloplites rupestris, 181, 222. 
Amblystoma opacum, 229, 246. 
Amblystoma punctatum, 229, 246. 
Anfeiurus melas, 175. 
Ameiurus natalis, 174, 222. 
Ameiurus nebulosus, 175, 206. 
Amia calva, 158. 
Amnicola, 82, 108, 110, 112, 125, 
131, 144, 164, 168, 169, 173, 
183-185, 194, 210, 212, 224, 225, 
246, 249, 268, 287, 316, 320. 
Amnicola emarginata, 288. 
Amnicola limosa, 60, 77, 80, 87, 
95, 107, 126, 131, 142-144, 148, 
149, 160, 161, 185, 186, 208, 212, 
215, 242, 268, 271, 287, 321, 322. 
Amnicola limosa porata, 160, 212. 
Amnicola lustrica, 39, 45, 53, 54, 
60, 64, 65, 71, 78, 80, 81, 87, 92, 
93, 95, 96, 98, 99, 100, 107, 121, 
124,” 126; 130}, 131,, 134,, 139; 
141-148, 160, 165, 186-188, 195_— 
196, 212, 215, 217, 268-271, 287, 
32). 
Amnicola obtusa, 288. 
Amnicolide, 265. 
Amphibia, 224, 228. 
Amphipoda, 54, 59, 88, 89, 99, 
101, 104, 135, 166, 170, 181, 183, 
185, 186, 188, 189, 194-196, 225, 
302. 
Amphora, 147. 
Anabena, 147. 
Anax junius, 225, 231, 236, 
Ancylus, 78, 82, 108, 110, 
ZiLO, Zao 27a. 
Ancylus fuscus, 77, 80, 98, 100, 
107, 130, 139, 141, 248, 271, 275, 
287. 
Ancylus parallelus, 54, 81, 88, 93, 
99, 100, 107, 121, 130, 139-141, 
149, 175, 212, 215, 231, 232, 246, 
271, 276, 287. 
177, 
304. 
136, 
[347] 
