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INDEX 



Chaetophoraceae, i68 



Chaetophoreae, i68 



Chaetopoda (earthworms), aquatic, i6, 632- 



645; see Oligochaeta 

 Chaetosphaeridium, 170; pringsheimii, 170 

 Chaeturina, 630; capricomia, 630 

 Chalarothoraca, 235 

 Chamaesiphonaceae, 107 

 Chamaesiphon, 107; incrustans, 107 

 Chantransia, 176; chalybea, 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 

 Cheiracanlhiis horridiis, 53°, socialis, 530 

 Chilodon, 276; cucidlulus, 276 

 Chilodonopsis, 276; crenula, 276 

 Chilomonas, 261; Paramecium, 261 

 Chirocephalidae, 668 

 Chironomidae, 914, 945; Ceratopogoniae of, 



945 

 Chironomus (lar\'a), 945, in part, 945 

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

 Chlamydomonas, 143, i44. 265; ohioensis, 144 



pulvisculus, 265 

 Chlamydophora, 234 

 Chlamydotheca, 811; azteka, 811, herricki, 



811, mexicana, 812 

 Chlorangium, 147, 266; sientorinum, 266 



stentorum, 147 

 Chlorella, 153 

 Chlorellaceae, 153 

 Chlorobotrys, 151; regular is, 151 

 Chlorochytrium, 157; lemnae, 157 

 Choanoflagellata, 257 

 Choanotaenia, 446; infundibulum, 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; hispidiila, 252 

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



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

 Chlorosphaera, 158; lacustris, 158 

 Chlorosphaeraceae, 158 

 Chlorotylium, 166; caiaraclarum-, 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 

 ChrysomeUdae (adult), 937, (larva), 943 

 Chrysops (larva), 946 

 Chrysopyxis, 263; urceolata, 263 

 Chydoridae, 716 

 Chydorinae, 717 



Chydorus, 730; barroisi, 733, hicornutus, 731, 

 faviformis, 731, gibbiis, 731, globosus, 730, 

 hybridus, 733-. latus, 732, ovalis, 733, piger, 

 732, poppei, 734, rugulosus, 731, sphaericus, 

 732 

 Cilia, 238, 239; see Infusoria 

 Ciliata, 271 



Cilia te protozoa; see Infusoria 

 Cincinnatia, 989 



Cinetochilum, 283; margaritaceum, 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, 685, references, 739-740, repro- 

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

 see Crustacea 

 Cladocopa, 806 

 Cladomonas, 261 

 Cladophora, 166; glomeraia, 166 

 Cladophoraceae, 165 

 Cladorchiniinae, 3S6 

 Clappia, 990; clappia, 990 

 Clathrocystis, 106; aeruginosa, 106 

 Clathrulina, 236; elegans, 236 

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

 Climacostomum, 285 

 Climate 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 

 CocconeiJaceae, 129 

 Cocconeis, 129; pediculus, 129 

 Cocconema, 129; lanceolatutn, 129 

 Cochleare, 597; turbo, 597 

 Cochliopa, 990; riograndensis, 990 

 Cochhopodium, 221; bilimbosum, 221 

 Codonocladium, 259; umbellattim, 259 

 Codonoeca, 245; inclinata, 245 

 Codosiga, 259; botrytis, 259 



