474 
GENERAL INDEX. 
Page 
Asplanchna.. 409,411 
amphora 400, 405, 410 
brightwelli ._ 406 
priodonta . 400 
assimilis, Cyclinus 302 
Dineutes 33,302 
Asterionella 411 
gracillima 399,406 
atherinoides, Notropis 253 
Atlantic coast Sciaenidas, general remarks on food of 199 
atromaculatus, Sematilus 3, 253 
Augusta, Ga., Annotated list of fishes collected in vicinity 
of, with description of a new darter 1-8 
aureolum, Moxostoma _ 253 
aureus, V olvox 401 
auritus, Colymbus 34,247 
Lepomis 6 
Bacillariaceae 399,401 
Bairdiellachrysura 171-175,199 
eggs ' 171 
embryology 171, 172, 173, 174 
feeding habits 199 
larval development 171, 172, 173, 174 
range 171 
spawning season 171 
bakeri v. brevispinus, Brachionus 400 
v. cluniorbicularis, Brachionus 400, 404, 405 
v. entzii, Brachionus .1 400 
baldpate 247 
banded croaker 170, 171 
drum 170,171,184,196 
Larimus 170, 171 
barb - 190 
basilaris, Acilius _ _ 291 
Thermonectes 263, 266, 291-297 
bass 1,7,32 
black— 
largemouth 1, 7, 32, 254, 255, 258 
smallmouth .. 253 
calico 257 
channel 184,197 
spotted 184 
warmouth 253,257 
white ... 253 
bastard trout 169,170 
Bear Lake, Idaho: 
carbon dioxide content . . 71 
description 77, 78 
fish 78 
fish food 74 
gas conditions 68, 69, 70, 114 
plankton - 78,123 
thermal changes 68,69,70,114 
beetles (water) 9-38, 231-345 
abundance in small ponds 233 
adults, enemies of—. . _ _ 247 
birds _ 247 
electric lights. — 248 
frogs 248 
toads 248 
turtles 247 
American species, ignorance of 232 
as fish eaters 249 
as food for fish.. 260 
bombardier 246 
carnivorous 232 
click 248 
description of Fairport (Iowa) species 267 
Acilius, semisulcates 299 
beetles, description of 
Berosus pantherinus 
perigrinus 
striatus. 
cap attachment on egg case 
Coptotomus interrogatus 
Cybister fimbriolatus 
Dineutes americanus 
Donacia aequalis 
Dytiscus verticalis 
Enochrus diffusis 
nebulosus 
perplexus 
Gyrinus limbatus 
ventralis 
Haliplus ruficollis 
Hydrophilus obtusatus.. 
Hydroporus niger 
Hydrous triangularis 
keys for identification of larvae and pupae. 
Laccobius agilis 
Laccophilus maculosus 
proximus 
Peltydytes edentulus 
Thermonectes basilaris 
ornaticollis • 
Tropisternus glaber 
lateralis 
mixtus 
distribution in Fairport (Iowa) ponds 
influence of environment 
species, relative importance of 
restriction of 
source of material- 
diving 
ecology... 
distribution 
locomotion 
migration 
structure and vestiture, modifications of.. 
egg cases 
eggs 
extermination of 
ground 
herbivorous. 
importance 
in lakes and fishponds 
in relation to pondfish culture 
killing fish fry 
lamellicorn 
larvae 
enemies of 
ants * 
dragonfly nymphs 
frogs 
Hydra 
larva 
mites . .. ISShL'. d ... 
parasites 
snails 
turtles 
time of pupation 
pupae 
enemies of 
ants 
black horsefly. 
imperfect pupation 
parasites 
water. ■ 
Page 
311 
312 
309 
332 
275 
277 
302 
332 
318 
321 
308 
274 
314 
.. 332 
268, 269 
.. 316 
290 
271 
291 
296 
326 
321 
329 
264 
267 
266 
236 
235 
.... 231-334 
.... 231-334 
260, 261, 262 
.. 232 
.. 232 
.. 233 
231-345 
.. 260 
.. 248 
231-334 
.. 242 
.. 244 
.. 243 
.. 244 
.. 244 
.. 242 
.. 245 
.. 245 
.. 244 
.. 243 
231-334 
.. 245 
.. 247 
.. 246 
.. 246 
245 
