428 



Index 



PAGE 



Goera 371 



goldfish 384, 399 



golden shiner 235, 387, 399 



goldthread 351 



Gomphines 209, 254, 357 



Gonatozygon 117, 119 



Goniobasis 370 



gonidia 141 



Gonium 104 



Gordius 174 



gorges, post-glacial 64 



gradient of channel 85 



gravel, deposits of 42 



gravity, specific 243, 244, 246 



grebes 342 



grouping by levels 326 



Grout, A. J 148 



gulls 239 



Gyrinidae 221 



Gyrinus 337 



Gyrosigma 112 



Habenaria 351 



habitat 294 



Haeckel, E 392 



haemoglobin 253 



Haemopsis 175, 176 



hairs 248, 274 



hairs, glandular 283, 285 



Halesus guttifer 198, 361 



Haliplidae 223, 275, 346 



Haliplus 277 



hand-net 20 



Hankinson, T. L 231, 233 



Harper, Francis 93 



hatcheries 384, 385, 400 



Hawkins, L. S 321 



Headlee, T. J 324 



heaths 157, 351, 355, 357 



Hehcopsyche 370, 372, 373 



hellgrammite 214, 313 



Hellriegel 56 



Hemerobiidae 212, 214 



Hemilastena 291 



Hemiptera 195, 210, 274 



hemp-weed, climbing 345 



Heptagenia 278, 368, 370 



herbivores 18, 128, 153, 180, 186, 282, 

 318,373,389,390,392 



herring 291, 313 



herons 239 



Heterocope 311 



Hexagenia 115, 255, 341, 398 



PAGE 



hibernacula 264, 265, 272 



hibernating 269 



Hibiscus 145, 405 



Holopedium 52 



hooks 247, 266 



hornwort. 134, 154, 155, 271, 272, 334 



horseflies 227, 254 



horse-leeches 175, 250 



host species 291 



Howard, A. D 289, 291 



huckleberries 351 



humid regions 55, 56 



humus 57 



husbandry 385, 386, 412 



Hyalella 191 



H^datina 299, 305 



Hydra 163, 164, 282, 325, 327. 332, 



341 



Hydrachnidae 193 



Hydrocampa 218, 257, 337 



Hydrodictyon 122. 124 



hydrogen sulphide 47, 96 



Hydrohypnum 358 



hydromechanics 107 



Hydrophilidae 222, 276, 346 



Hydrophilids 221, 222 



Hydrophilus 275 



Hydroporus 222, 333 



Hydroptilidae 216 



Hydroptila 258 



Hydropsychidae 217 



Hydropsyche._.2i8, 363, 364, 365, 370 



hydroxide of iron 142 



Hydrurus 136 



Hymenoptera 195 



Hypericum virginicum 344 



hypnums 148, 149 



hypolimnion 37 



Ice 35,36,80, Si, 120 



ice, anchor 82, 83 



ice, floes 61 



ice in streams 8 1 



ice rubble 81,82 



Ignis fatuus 96 



Illinois State Laboratory of Na- 

 tural History 50, 79 



infusoria 171,179 



inclusions 244 



increase, rapidity of 306 



incrustations of lime 251 



Indianapolis News 384 



Indians 13 



