378 
GENERAL INDEX 
Page 
Cambarus immunis spinirostris . 89-97 
description — ... 92 
localities __ 92 
nebrascensis . 88 
negleetus 89, 92, 94, 95 
description .. 92 
localities _. 92 
obesus - 92 
obseurus 100 
propinquus 88,94 
description 90 
locality 90 
signifer... ... 91 
simulans 89,90,94,95 
description 90 
locality 90 
virilus ... 88-100 
description 91 
localities _. T 91 
campechanus, Lutianus 79,82 
Lutjanus -... 84 
Mesoprion 77-79 
Campostoma anomalum 108 
Canthidermis asperrimus 215 
sobaco 215 
occurrence at Key West, Fla 215 
Canthoeamptus 182 
capelin 219,220,227 
Capnia - - 183 
Caribbean red snapper 82 
carneus, Sicyases ' 214 
Catonotus 105 
Catostomidae 147-184 
Catostomus eommersonii, see sucker, white. 
Catostomus rostratus 149 
Cestoda 182 
Chauliodus . 183 
Chinook salmon 7, 11 
chirocephala, Cambarus 99 
Chironomidae 182 
chironomid larvae 173 
chironomids - 174-182 
Chironomus 182 
Chirotonetes 183 
chum salmon 109-146 
Chydorus 182 
Cladocera 182, 281 
Closterium — - 182 
clupeaformiSjCoregonus 309 
coho salmon 109-146 
Coker, R. E.: New genus of darter from western North 
Carolina - 105-108 
eommersonii, Catostomus... — 147-184,323 
conchorum, Menidia, n. sp 207 
copepods ; 182 
coregoni, Bosmina 281 
Coregonus clupeaformis - --- 309 
Corixa - 183 
cornuta, Bosmina 281 
cornutus, Notropis 302,323 
Cosmarium 182 
Cottogaster shumardi 106 
Couesius plumbeus 303 
Crangon. - 226 
vulgaris — - ---- 227 
Crayfish 100,101 
as bait 100 
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Crayfish, extermination of 101 
literature 101 
nuisance 101 
poultry food ioo 
Crayfishes of the genus Cambarus in Nebraska and eastern 
Colorado.. 87-104 
Cambarus (Bartonius) argillicola 89,93,94,97,98 
(Bartonius) diogenes.. 88,89,92,94 
Cambarus (Faxonius) immunis 88-100 
(Faxonius) immunis spinirostris 89-97 
(Faxonius) negleetus 89, 92, 94, 95 
(Faxonius) propinquus 88,94 
(Cambarus) simulans 89,90,94,95 
(Faxonius) virilis 88-100 
description...... 88 
distribution, geographical 93 
ecology.. .... 95 
economic importance 99 
key to species.. 89 
life histories.. 95 
parasites 95 
Crepidostomum 182 
Cristivomer namaycush.. 11,308 
Crustacea 203 
Cryptobranchus, alleghensis... 100 
cubensis, Hynnis, occurrence at Key West, Fla.. 209 
Cyclops. 176,177,182,281,282 
Cymbella 182 
Cypridopsis 182 
Cyprinidse 151 
Cypris — 1 182 
cysts, development of 4 
structure ... 3 
dace — 177 
Daphnia 182,282 
darter, new genus from western North Carolina ;... 105-108 
fan-tailed 19 
Davis, H. S.: Octomitus salmonis, a parasitic flagellate of 
trout.. 9-26 
Davis, H. S.: Schizamceba salmonis, a new ameba parasitic 
in salmonid fishes __v_' 1-8 
dentex, Osmerus 220 
Descriptions of two new species of fishes from Key West, 
Fla., with notes on nine other species collected in the 
same locality 207-215 
desmids - : : 177-180 
Development, growth, and food habits of the white sucker, 
Catostomus eommersonii Le Sueur 147-184 
Diaptomus 282 
Diatoma 182 
diatoms 176-181 
Difflugia — - 174-182 
diogenes, Cambarus ... 88-101 
Distinguishing characters of two species of red snappers of 
the Atlantic coast of North America.. 77-85 
dog salmon — 71 
dogfish 242 
dolomieu, Micropterus 309 
dragon fly - - 183 
dubius, Cambarus 92 
Dytiscidse 183 
earthworms 175, 180 
Ecdyrus 183 
eels 309 
sand 226 
