io88 



INDEX 



Benacus, 894, 934; eggs, 896 



Berosus, 939 



Bicosoeca, 245; lepteca, 34s 



Bidens beckii, 182 



Bidessus (adult), 940 



Bikoecidae, 245 



Binuclearia, 163; tetrana, 163 



Biology, Fresh-Water, 9; climate vs., 9, dis- 

 persal, 13, diversity, 12, fauna relicta, 10, in- 

 vestigators, II, journals on, 20, man the 

 modifying agent, 11, origin, 10, references 

 (general), 18-20, seasonal succession, 10, 

 stations, 12, stratification of organisms, 10, 

 types, 13, uniformity, 13, variety, 11; see 

 References for specific references 



Biomyxa, 232; vagans, 232 



Bipahdae, 360 



Birds, aquatic, 1024-1026; references, 1066; 

 see Vertebrata 



Bitfaynis, 845 



Black-flies, aquatic; see Insecta; Simuliidae 



Bladder-worms, 427 



Blasturus (imago). 920, (nymph), 921 



Blauneria, 979; heterocHta, 979 



Blepharisma, 283; lateritia, 283 



Blepharoceridae, 943 



Blue-Green Algae; see Algae, Blue-Green 



Boleosoma nigrum, 1057 



Bolting cloth, specimens in, 7; see Plankton 



Bopyridae, 842 



Bosmina, 706; longirostris, 706, longispina, 

 707, obtusiroslris, 707 



Bosminidae, 706 



Bosminopsis, 707; deitersi, 707 



Bothria, 425 



Bothriocephalus, 431; latus, 432, 433 



Bothriomonus, 433; sturionis, 433 



Bothromesostoma, 351; personatum, 351 



Bothrostoma, 281 



Botrydiopsis, 156; eriensis, 156 



Botrydium, 172; granulatum, 172 



Botryococcus, 149; braunii, 149 



Bottle, water-, 80 



Bottom materials, 24; collecting, 70, differen- 

 tiation, 25, distribution of life, 35, muck, 26, 

 terriginous, 26, 45 



Boyeria (imago), 925, (nymph), 930 



Brachionidae, 605 



Brachionus, 605; angularis, 605, bakeri, 579, 

 mollis, 60s, pill"', 60s, punctatus, 605, quad- 

 ratus, 60s 



Brachycera (larva), 946 



Brachycoeliinae, 400 



Brachycoelium hospitale, 400 



Branchinecta, 667; coloradensis, 667, lin- 

 dahli, 668, packardi, 667, paludosa, 662, 667 



Branchinectidae, 667 



Branchinella, 670; gissleri, 668, 670 



Branchiobdella, 644; am^ricana, 644, lelro- 

 donta, 644 



Branchionidae, S7o 



Branchiura, 786-788; see Argulidae; Copepoda 



Brasenia, 193; pellata, 188 



Brebissonia, 128 



Brychius, 938 



Bryozoa (moss animalcules), 17, 947-956; 

 appearance, 947, habitat, 951, key, 95I-9SS, 

 methods of study, 950, occurrence, 949, 

 polyzoa, 947, references, gss, 956, state- 

 blast, 950 



Bucephalidae, 379 



Bucephalus, 379; polymorphus, 412, pusillus, 

 379 



Buenoa, 934 



Bugs, aquatic (water); see Hemiptera 



Bulbochaete, 167; mirabilis, 167 



Bulimnaea, 980 



BulleUa, 1007 



Bullinula, 22s; indica, 22s 



Bumilleria, 164; sicula, 164 



Bunodera, 388, 396, 398; luciopercae, 396 



Bunoderinae, 396 



Bunops, 712; serricaudata, 712 



Bursa, 476, S14 



Bursaria, 285; truncatella, 28s 



Bythinia, 989; tenlaculata, 989 



Bythininae, 989 



"Cabbage-snake," S34 



Cabomba, 182 



Caeddotea, 842 



Caecincola, 391, 400; parmlus, 400 



Caenis (imago), 920, (nymph), 922 



Caenomorpha, 285; medusula, 28s 



Caddisflies (Trichoptera) ; see Insecta; Tri- 

 choptera 



Calamoceratidae, 936 



Calceolus, 277; cypripedium, 277 



Caligidae, 783; see Copepoda 



Callibaetis (imago), 921, (nymph), 922 



Callidina, 619; anguslicollis, 619 



CalocyUndrus, 138 



Calopteryx (imago), 922, (nymph), 891, 928 



Calothrix, 113; ihermalis, 113 



Calyptomera, 689 



Calyptorhynchia, 352, 361 



Calyptotricha, 282; inhacsa, 282 



Camallanidae, 528 



Camallanus, 528; ancylodirus, S12, 529, 

 lacrtstris, S17, 518, oxycepkalus, 529, irispi- 

 nosus, S29 



Cambarellus, 848; shufeldti, 848 



Cambarincola macrodonta, 644 



Cambarus, 847; affinis, 848, bartoni, 847, 849, 

 blandingi, S48, diogenes, 850, extratieiis, 849, 

 gracilis, 847, kamulatus, 849, immunls, 849, 

 limosus, 848, pellucidus, 848, propinquus, 

 849, rusiicus, 849, simulans, 847, virilis, 849 



Campascus, 229; cornutus, 229 



Campeloma, 988; subsolida, 988 



