INDEX 



Glochidia, 319-320, 321 

 Glossiphonia complanata, 



154-155,302 

 Glossiphonidce, 149, 152, 153, 



154-155 

 Glossosoma, 250; americana, 



250-251 

 GlossosomatincB, 250-251 

 Gnathobdella, 153 

 Gnats, 282 

 Goer a, 257 

 Gold fish, 334 

 Gomphincc, 218 

 Gomphus, 214, 218 

 Goniohasis, 34, 314. 315 

 Gordiacea (hairworms), 141- 



142 

 Gordius aquaticus, 142; rohus- 



tus, 142; villoti, 142, 143 

 Grasses, marsh, 13 

 Grasshoppers, 142 

 Graulus hirsutiis, see Plan- 



orhis hirsutus; parous, see 



Trivolvis parvus 

 Green darners, 219 

 GymnolcBmata, 134 

 GyrinidcB (whirligig beetles), 



262, 263, 264, 265, 271-273 

 Gyrinids, 262, 263, 264, 271- 



273 

 Gyrinophilus porphyriticus, 



366 



Gyrinus, 272 



Hcemopsis, 156-157; mar- 



moratis, 156-157 

 Hairsnakes, 141 

 Hairworms, 139-140, 141- 



143; form and habits, 141- 



142 

 Hale, 239 

 HaliplidcB (crawling water 



beetles), 263, 264, 265- 



266 

 Halipus, 265, 266; ruficollis, 



266 

 HaloragidacecB (water mil- 

 foils), 99-100 

 Hand-bulbs, for collecting, 



30 



Hand-lens, for collecting, 26 

 Harris, J. A., 268 



Hegner, R. W., 102 



Helico psyche, 248, 256 



Helisoma trivolvis, see Plan- 

 orhis trivolvis 



Helius, 289 



Hellbender, 347, 352-353 



Hellgrammites, 243 



HemerobiidcB, 189, 241 



Hemiptera (water-bugs), 



179, 189, 207, 225-240, 

 262; key to families, 227- 

 228; Belostomatid<T, 227, 

 232-235; Corixidcp, 227, 

 239-240; Gerridce, 228, 230- 

 232; HydrometridcE, 227, 

 228; MesoveliidcB, 228; 

 Naucoridce, 227, 238-239; 

 NepidcE, 227, 235-237; No- 

 tonectidce, 227, 237-238; 

 Veliidce, 228, 229-230 



Hepaticce (liverworts) , 59- 

 60 



Heptagenia, 23, 199, 212 



HeptagenincB, 21 1-2 13 



Hermaphroditism, 120, 148, 

 308, 318 



Herpobdella punctata, 157 



HerpobdellidcE, 153, 156-157 



HetcBriyia americana, 221- 

 223 



Heteranthera dubia, 88-89 



Hexagenia, 19, 33, 204-207, 

 211; bilineata, 205 



Hickson, S. J., 116 



Hippuris vulgaris, 99-100 



Hirudin, of leech, 151 



Hirudinea (leeches), 148-157, 



155 

 HirudinidcE, 153, 155-156 

 Hirudo medicinalis, 150 

 Homed pout, 337-338 

 Horn wort, 15, 59, 90-91, 



130 

 Horse-flies, 276, 282, 283, 



298-299, adults, 299; eggs, 



299; larvae, 298 

 Horseradish. 96 

 Hot springs. Blue-green 



algae, in, 48 

 House-flies, 244, 282 

 Hungerford, H. B., 226, 227, 



229, 237, 238, 239 



438 



