484 
GENERAL INDEX. 
Page 
Page 
Laccobus agilis, egg case 315 
larva, description and habits 315 
pupa, description of 316 
pupation . 316 
Laccophilns 235 23fi 243 286 
maculosus 236-238, 247, 263, 265, 266, 276, 287-291 
incisor, Lepomis 2,6,254 
Infusoria ___ 399,401 
adult, description and habits of.. . . 290 
birds as enemies of adults . " _ . 247 
distribution 263 
influence of environment on _ 265 
lnrvn. (iflsfiriptinn and habits nf 287 
migration 237 238 
pupa, description of._ 2S9 
pupation _ 289 
iridius shasta, Salmo. 255 
restriction of species — 266 
proximus 237, 244, 263, 288, 290, 291 
irregularis, Crucigenia 461 
jack 4 
jackfish - 1 
jack grindle .1,4 
adult, description of 291 
distribution - 263 
eggs 290 
larva, description and habits of- 290 
migration 237 
mites as enemies of larvae 244 
pnpa ; description of 291 
Kemmerer, George, J. F. Bovard, and W. R. Boorman: 
Northwestern Lakes of the United States: Biological 
and chemical studies with reference to possibilities in 
production of fish - .. 51-140 
undatus-. i... 263 
lacustris, Bidessus 238,263 
Codonella 39,401,403,410 
Helaphorus 263 
kentuckiensis, Hybopsis 5,253 
’R'p.nlrulr La.lcp. 347—4-38 
Lafayette — - 177 
Lagerheimia 461 
1 am p.l 1 ihran r»h s 443—445 468 
Copepoda and Cladocera, distribution of_ 389 
crustaceans, distribution of „ _ 389 
physiography of.. 360 
lamellicorn beetles 248 
plankton 380 
affect of hydrographic conditions on 382 
borealis 444 
fnllppiosp 462. 465 
composition of. 398,399,409 
richness .- 380 
stratification 381 
vertical distribution 380 
gracilis 446 456 462 463 
iris 444 
Isevissima — - - 446,462,463 
volume 380 
stages 362 
temperature of water j 373 
transparency of water 373 
luteola 203-219, 440, 444, 446, 448-457, 463, 465 
Notes on a new mantle condition of ... 203-219 
radiata— 444 
velocity of current 366 
lapnonlqt.ns TP.fjnp.s 145 1Q7 1Q8 
Keratella sp. _ 441 
cochlearis. 461 
Ki, Lake, Wash.: 
carbon dioxide content 71 
Steilifer 145,170,175-177,199 
landlocked salmon, as bettle eaters 256 
depth, temperature, and dissolved gases. 117 
description 100 
plankton — 100,128 
largemouth black bass 1, 7, 32, 254, 255, 258 
large-scaled red horse._ 253 
kindtii, Leptodora 414 
kingfish— 186,190 
king whiting 186, 190 
fasciatus ^ 145, 170, 171 
larval mantle of fresh-water mussels during parasitism, 
Kirchneriella sp. _ — 461 
Klamath Lake (Upper), Oreg.: 
carbon dioxide content 71 
description 112 
fish — 112 
fish food 75 
plankton 113,134 
thermal changes and gas conditions 67, 120 
Significance of 203=219 
lateralis, Hydrophilus 321 
Tropisternus 237, 245-247, 259, 265, 321-333 
lebes,Difflugia 39 
Lecanearcula - 409 
leeches, as fish food... - ------ 255 
Leiostomtis xantburns 177— iso 184 187 iqq 
Lenina __ 361,409,410 
Labidesthes sicculus 5 
leopard frog 244, 248 
Lp.pisosteus ossp.us _ 1 
Laccobius 315,332 
Lepomis auritus 6 
agilis 238,263,315,316,330 
cyanellus 32, 253, 257 
adult, description of.. 316 
distribution 238.263 
humilis 211 
incisor 2, 6, 254 
