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INDEX 



Chaetophoraceae, i68 



Chaetophoreae, i68 



Chaetopoda (earthworms), aquatic, i6, 632- 



645; jee Oligochaeta 

 Chaetosphaeridium, 170; pringsheimii, 170 

 Chaeturina, 630; capricornia, 630 

 Chalarothoraca, 235 

 Chamaesiphonaceae, 107 

 Chamaesiphon, 107; incrustans, 107 

 Chantransia, 176; chalyhea, 176 

 Chara, 174; coronata, 174., fragilis, 174 

 Characeae, 172 

 Characetum, 196 

 Characiopsis, 158 

 Characium, 158; longipes, 158 

 Charales, 172 

 Chareae, 174 



Chauliodes (adult), 935, (larva), 936 

 Cheiracanlhus horridus, 530, socialis, 530 

 Chilodon, 276; cucullulus, 276 

 Chilodonopsis, 276; crenida, 276 

 Chilomonas, 261; Paramecium, 261 

 Chirocephalidae, 668 

 Chironomidae, 914, 945; Ceratopogoniae of, 



945 

 Chironomus (larva), 945, in part, 945 

 Chirotonetes (imago), 920, (nymph), 922 

 Chlamydomonas, 143, 144, 265; ohioensis, 144 



pulvisculus, 265 

 Chlamydophora, 234 

 Chlamydotheca, 811; azleka, 811, herricki, 



811, m^xicana, 812 

 Chlorangium, 147, 266; sientorinum, 266 



stentorum, 147 

 Chlorella, 153 

 Chlorellaceae, 153 

 Chlorobotrys, 151; regularis, 151 

 Chlorochytrium, 157; lemnae, 157 

 Choanoflagellata, 257 

 Choanotaenia, 446; infundihulum, 446, po- 



rosa, 447 

 Chodatella, 155 



Chondracanthidae, 784; see Copepoda 

 Chordata, 18 

 Chordodes, 537, 538; morgani, 538, occiden- 



talis, 538 

 Choroterpes (imago), 920, (nymph), 921 

 Chlorococcum, 156; infusionum, 156 

 Chloroflagellida, 264 

 Chlorogonium, 143; euchlorum, 143 

 Chloropeltis, 252; hispidula, 252 

 Chlorophyceae, 117, 134; key, 134-174; see 



Algae, Fresh-Water, excl. of Blue-Green 

 Chlorosphaera, 158; lacustris, 158 

 Chlorosphaeraceae, 158 

 Chlorotylium, 166; cataractarum, 166 

 Chromadora, 490; minor, 490 

 Chromagrion (imago), 923, (nymph), 928 

 Chromatophores of algae, 116 

 Chromulina, 260 



Chronogaster, 493; gracilis, 493 



Chroococcaceae, 104 



Chroococcus, 106; giganteus, 106 



Chroolepideae, 170 



Chrysoflagellida, 259 



Chrysomehdae (adult), 937, (larva), 943 



Chrysops (larva), 946 



Chrysopyxis, 263; urceolata, 263 



Chydoridae, 716 



Chydoriuae, 717 



Chydorus, 730; barroisi, 733, bicornutus, 731, 

 Javiformis, 731, gibbus, 731, globosus, 730, 

 hybridus, 733, lahiSf 732, ovalis, 733, piger, 

 732, poppei, 734, rugtdosus, 731, sphaericus, 

 732 



Cilia, 238, 239; see Infusoria 



Ciliata, 271 



Ciliate protozoa; see Infusoria 



Cincinnatia, 989 



Cinetochilum, 283; margariiaceum, 283 



Circulation of water in lakes, 27; epilimnion, 

 28, hypolimnion, 28, 38, thermocline, 28, 38, 

 waves and their action, 28 



Cirolanidae, 841 



Cirolanides texensis, 841 



Cladocera (Water Fleas), Fresh-Water, 676- 

 740; digestive tract, 681, distribution, 687, 

 key, 689-739, method of study, 688, oc- 

 currence, 68s, references, 739-740, repro- 

 duction, 683, shell, 679, structure, 677; 

 see Crustacea 



Cladocopa, 806 



Cladomonas, 261 



Cladophora, 166; glomerata, 166 



Cladophoraceae, 165 



Cladorchiniinae, 386 



Clappia, 990; clappia, 990 



Clathrocystis, 106; aeruginosa, 106 



Clathrulina, 236; elegans, 236 



Climacia (adult), 935, (larva), 935 



Climacostomum, 285 



CUmate and fresh-water life, 9 



Clinostomum, 408; marginatum, 408 



Clock pump, 80 



Cloeon (imago), 921, (nymph), 922 



Clonorchis sinensis, 393 



Closterium, 137; moniliferum var. concavum^ 

 137 



Clostonema, 255; socialis, 255 



Coccogoneae, 104 



Coccomonas, 266 



Cocconeidaceae, 129 



Cocconeis, 129; pedictdtis, 129 



Cocconema, 129; lanceolatum, 129 



Cochleare, 597; turbo, 597 



Cochliopa, 990; riograndensis, 990 



Cochliopodium, 221; bilimbosum, 221 



Codonocladium, 259; umbellatum, 259 



Codonoeca, 245; inclinata, 245 



Codosiga, 259; botrytis, 259 



