9re 
va) 
Hickory-shad, 159. 
High Island, 110, 144. 
Hiodon tergisus, 159, 214. 
Hirudinea, 40, 47, 65, 75, 83, 89, 
93, 95, 99, 100, 231, 233, 296. 
Hirudinide, 298. 
Hogsucker, 167, 212. 
Hopkins, 34. 
Hornwort, 39, 44, 50, 54, 65, 68, 
86, 88, 89, 99, 100, 294. 
Housefly larvee, 225. 
Howard, A. D., 219, 220, 222. 
Howard, L. O., 225. 
Hudson Valley, 32. 
Humie acid, 119. 
Hyalella knickerbockeri, 54, 59, 99, 
104, 166, 172, 177, 181, 182, 187, 
195, 196, 231, 232, 302, 321, 322. 
Hyalella, 192. 
Hydra, 295. 
Hydrobatidie, 305. 
Hydrocharitacer, 293, 
Hydrogen sulphide, 118, 119. 
Hydrophilid, 96, 168-170, 
198. 
Hydrophilide, 308. 
Hydroptila, 53, 306. 
Hydroptilide, 306. 
Hydropsychide, 307. 
Hydrovatus pustulatus, 231, 232, 
308. 
Hyella fontana, 245. 
Hymenoptera, 232. 
179, 
Ick Houser Bay, 48, 55. 
Ictalurus punctatus, 173, 222. 
Ietiobus bubalus, 163, 177, 213. 
Tetiobus cyprinella, 163, 177. 
Ictiobus urus, 1638. 
Illinois Ice Sheet, 34. 
Illinois River, 162, 171, 182, 190, 
198, 210. 
Infusoria, 157, 238-240, 244, 295. 
Insecta, 40, 41, 46, 47, 48, 50, 52, 
53, 54, 56, 58, 59, 64, 65, 66, 70, 
74, 75, 77, 80, 82, 83, 88, 89, 92, 
93, 95, 98, 99, 101, 102, 104, 155- 
161, 164-178, 180-184, 186, 189- 
198, 202, 203, 206, 209, 229, 230- 
236, 245, 298, 310, 319-322. 
Tridacee, 294. 
Index 
Iris versicolor, 60, 72, 87, 93, 105, 
294. 
Isely, 219-221. 
Isle Royale, 236, 251, 253, 255, 256, 
260, 261, 268, 271, 276, 279-285, 
287, 288. 
Isopoda, 302, 322. 
JAMESVILLE, N. Y., 177, 200. 
Jay, 247. 
Jensen, 115, 117, 118. 
Johannsen, 308. 
Jordan, 162, 195. 
Judd, 234. 
Juday, 210. 
KANKAKEE RIVER, 145, 241. 
Kelly, 239. 
Kendall, 163. 
Kennicott, 236. 
Kentucky, 234. 
Killdeer, 235. 
Killifish, 171, 212, 273, 281. 
Killy, fresh-water, 179, 212, 263, 
281. 
Kinosternon odoratum, 230, 246. 
Kirtland, 282. 
Kofoid, 162, 210. 
LABIDESTHES SICCULUS, 180. 
Laccophilus maculosus, 74, 94, 
308. 
Ladd Bay, 180. 
Ladd Point, 180. 
Lake Canadarago, 284. 
Lake Chautauqua, 240, 288. 
Lake Cobalt, 150. 
Lake Cross, 259. 
Lake Dawson, 33. 
Lake Douglas, 167, 185, 
196. 
Lake Erie, 109. 
Lake Huron, 109, 110, 111, 301. 
Lake froquois, 32. 
Lake Little, 284. 
Lake Mendota, 162, 185, 188, 191. 
Lake Meredosia, 162. 
Lake Michigan, 110, 112, 190, 191, 
255, 260, 261, 265, 267, 269, 272. 
Lake Monona, 191. 
Lake Ontario, 32. 
188, 191, 
