424 



Index 



PAGE 



cells, cortical 138 



" division of ... 112, 117, 121, 122 



" flagellate 295, 305 



" internodal 138 



" multinucleate 131 



" rectangular blocks of 149 



" reproductive 12 



" reservoir 146, 147, 349 



" sex 105, 139, 151, 250 



cellulose 139 



cell wall 123 



Ceratium 103, 108, 248, 296, 302, 305, 



308, 337 

 Ceratophyllum 134, 154, 155, 321, 334 



Ceratopogon 279 



Cercaria 174 



Ceriodaphiiia 267, 268, 269, 301 



Cestodes 174 



Cetacea 273 



Chaetogaster 173 



Chaetonotus 164, 165, 166 



Chaetophora. . 126, 127, 182, 336, 338 

 chamber, respiratory . .250, 252, 253 



Chamot, E. M 79 



Channels 59, 77, 89 



Chantransia 81, 136 



Chara 52, i37» I3«» i39, 3i9, 322, 334, 

 352 



Characeae loi, 137 



Chauliodes 213 



chemical analysis 48 



Chirocephalus 184, 263, 318 



Chironomidae 225 



Chironomous 228, 257, 280, 329, 330, 



332,336,340,341,393, 



394, 395, 396 



Chirotenetes 259, 364, 366 



Chlamydomonas 104 



Chlamydothrix 141, 142 



Chloroperla 203, 278 



chlorophyl no, 119, 125, 139, 265, 

 271, 296 



Cholera spirillum 141 



Chrosomus erythrogaster 394 



Chrysops 230 



Chydorus 185, 300, 301, 303, 305, 

 310,326 



Cicuta bulbifera 345 



cilia 160, 170, 246, 250 



ciliates 246, 282, 327 



circulation periods 35, 37, 46 



Cladocera 185 



Cladocerans 185, 300, 301, 303, 304, 

 312 



PAGE 



Cladophora 81, 112, 125, 126, 136, 

 322, 336, 362 



Cladothrix 142 



clams 180 



Clathrocystis . . . .297, 304, 305, 308 



Climacia 214 



climate 294 



Closterium 117,119 



Clupea pseudoharengus 232 



coastal plain 93 



coats, chitinous 266 



Cocconeis 115 



Cocconema in, 115 



Coccus 140 



cocoon 213 



Coelambus 333 



Coelastrum 129, 130 



Coelenterates 163 



Coelosphaerium 132, 133, 297 



Coleochaete 128 



Coleoptera 195, 220, 279 



colonies dendritic 246 



" discoid 245 



" expanded 245 



" radiate 245 



** spherical 104, 107, 245 



Colurus 299 



conjugation 121 



Conjugates, filamentous. ... 119, 126 



conjugates 263, 299 



Conferva 124, 126, 299, 336 



Conochilus 177, 249 



conservation 21, 412 



control, methods of 399 



coots 342 



Copepods 183, 188, 189, 200, 246, 

 263, 301, 303, 325, 328 



Coptotomus 214, 335 



Cordulegaster 360 



Corethra 108, 301, 310, 329 



Corixa 201, 276 



Corj^dalis 213, 214 



Cosmarium 119 



Cothumia 161, 162, 332 



crabs 183, 192 



crabs, horse-shoe 184 



cranberry 348, 349, 350 



craneflies.229, 277, 339, 346, 358, 360 

 crawfishes 175, 191, 192, 252, 340, 



342, 390 



creeks 77 



Creek, Fall, Ithaca . 330 



Crenothrix 142 



Cristatella 169 



