Index 3 
$4, 85, 90, 91, 93, 94, 97, 
103, 104, 125, 130, 137, 141, 267, 
273, 277, 279, 280, 282, 285, 286, 
295. 
Diaptomus, 175, 180, 190. 
Diaptomus ashlandi, 161. 
Diatoms, 119, 145, 150-152, 177, 
Als, 201, 280, 283, 286, 321, 322. 
Dichothrix hosfordii, 245. 
Dicotyledonx, 294. 
Diemyctylus viridescens, 229, 246. 
Dimmock, 225. 
Dineutes assimilis, 48, 92, 308. 
Dineutes hornii, 38, 308. 
Diplodiscus temporatus, 242. 
Diptera, 155, 168, 170, 171, 
183, 189, 195, 196, 205, 225, 
Distillery slops, 163, 168. 
Distoma ascidia, 244. 
Distoma ascoidea, 238. 
Distoma endolabrum, 244. 
Distomid, marginal cyst, 241. 
Distomid of Kelly, 241. 
Distomid of Osborn, 241. 
Distomide, 240. 
Dogfish, 108, 155, 156, 158, 212, 
213, 264, 265, 273, 281, 282. 
Doolittle, 298. 
Dorosoma, 189. 
Dorosoma cepedianum, 154, 159, 
214. 
Dragon-fly nymphs, 40, 53, 62, 74, 
77, 94, 96, 99, 166, 177, 178, 181_ 
183, 185, 192, 193, 206, 224, 225, 
232, 235, 303, 304, 309, 319. 
Drake, 228. 
Drum, fresh water, 197. 
Drumlin, 33. 
Dry Land Point, 52, 55. 
Duck, black, 234. 
Duck Island, Canada. 257. 
Duck, lesser scaup, 234. 
Duckweed, 178. 
Duckweed, greater, 80, 100, 294 
Dunham Island, 30, 31, 33. 71, 75, 
foro, 91, 97. 
Dytiscide, 308. 
Dytiscus, 226, 228, 246. 
EARTHWORMS, 207, 208, 298. 
Eaton, 235. 
East Pine Pond, N. Y., 208. 
Ectoparasites, 240. 
Edmeston, N. Y., 209. 
Eel, American, 162, 212, 238. 
Eel, fresh-water, 163. 
Elliptio, 131, 221, 249, 252 
Elliptio complanatus, = 40, 
45, 46, 47, 50, 52, 54, 56, 57, 
59, 60, 63, 64, 65, 66, 68, 69, 
(1; 14, 75,78; 82, 83; 86, 87, 
92, 93, 95, 96, 100-102, 105, 1 
121-123, 126, 128, Se 143, 2 
237, 245, 246, 251, 252, 256, 2 
Elodea canadensis, 39. 44, 50, 
65, 68, 86, 89, 99, 100, 129, 1 
139, 140, 141, 150, 183, 293. 
Embody, 289. 
41, 
58, 
70, 
90, 
06, 
yapepes 
87. 
54, 
ape 
Enallagma, 59, 74, 88, 94, 101, 
104, 194, 201, 202, 231, 303. 
Enallagma signatum, 89-1013 
Endersbee, 200. 
Endorina, 147. 
Entomostraca, 108, 155, 159-1 
1665168" 70> il. lise tro) 
189-193, 196, 207, 208, 210, 2 
05. 
64, 
84, 
28. 
298, 301, 309, 310, 315, 319-322 
Epicordulia, 224, 246. 
Epischura, 180. 
Epischura lacustris, 192, 300. 
Ephemera, 194, 244, 303. 
Ephemerella, 195, 303. 
Ephemerida, 189, 195, 302. 
Ephemeride, 168-170, 173, 17 
177, 179, 184, 190, 195, 198, 3: 
Epithemia, 147. 
Erie Canal, 249, 263, 267. 
Erpobdella punctata, 40, 47, 
95, 99, 298. 
Erpobdellide, 298. 
Equisetum, 111. 
Esox, 242. 
Esox lucius, 177, 204. 
99 
iD; 
20. 
(ee 
Esox reticulatus, 177, 201, 319. 
Esox vermicularis, 225. 
Eucalia inconstans, 218. 
Euglena, 145. 
