INDEX 



nog 



Stylet cercariae, 416 



Stylobryon, 245; peliolatum, 24s 



Stylohedra, 297 



Stylonychia, 290; nolophora, 290 



Styphlodora, 405; bascaniensis, 405 



Submerged leaves, 182; stomata on, 184 



Suctoria, 298 



Surirella, 131 



Surirellaceae, 130 



Sutroa, 642; alpestris, 642, rostrata, 642 



Sympetrum (imago), 927, (nymph), 932 



Swamp, 3, 5, 59; drainage of, 1075 



Symphynota, 1004; complanata, iocs, com- 



pressa, 1004, costata, 1005; s. s., 1004 

 Symploca, 109; lucijuga, 109 

 Synchaeta, 591; baltica, 591, stylala, 591, 



Iremula, 591 

 Synchaetidae, 591; see Rotatoria 

 Synechococcus, los; aerugitiosus, 105 

 Synedra, 132; salina, 132 

 Synplecta pendula, 328 

 Synura, 262; uvella, 262 



Tabanidae (larvae), 946 



Tabanus (larva), 946 



Tabellaria, 133; fenestrata, 133 



Tabellariaceae, 133 



Tachopteryx (nymph), 929, 930 



Tachysoma, 290; parvistyla, 290 



Taenia, 440, 447; crassicollis, ^n'j,filum, 442, 

 pulchella, 450, scolopendra, 449 



Taeniidae, 447 



Taenioglossa, 986 



Tanaognathus, 864: spinipes, 864 



Tanaorhamphus, 547; longirostris, 547 



Tank-pump, 80 



Tanypus carneus, 914, (larva), 94s 



Tanytarsus (larva), 945 



Tapeworms, 15; see Cestoda; Parasitic Flat- 

 worms; Parasitic Worms 



Taphrocampa, 589; ammlosa, 389 



Tardigrada, 17 



Tatria, 449; biremis, 449 



Technical and Sanitary Problems, 1067-1083 ; 

 see Problems, Technical and Sanitary 



Telmatodrilus, 641; mcgregori, 641, vejdovskyi, 

 641 



Telorchinae, 393 



Telorchis, 394; medius, 394 



Temperatiue of water, 32; and metabolism, 

 33, in streams, 32, reaction of animals, 34, 

 seasonal changes, 33 



Tentaculata, 17; see Bryozoa 



Teratocephalus, 496; cornutus, 496 



Terricola, 359 



Terriginous bottom, 26, 4s 



Testacea, 220 



TetmemoruSi 138; granulalus, 138 



Tetrabothriidae, 440 



Tetrabothrius, 440; macrocephalus, 440 



Tetracoccus, 149 



Tetracotyle, 411; typica, 411 



Tetracotyle form, 424 



Tetracyclus, 133; lacusiris, 133 



Tetradesmus, 160; utisconsiensis, 160 



Tetraedron, 155; enorme, 155 



Tetragoneuria (imago), 926, (nymph), 931 



Tetramastix, 613; opoKensis, 613 



Tetramitus, 251; variabilis, 251 



Tetrapedia, 105 



Tetraphyllidea, 434 



Tetraselmis, 264; limnetis, 264 



Tetraspora, 147; explanata, 147 



Tetrasporaceae, 146 



Telrastemma aquarium dulcium, 457; see 

 Nemertina 



Tetrastrum, 160 



Thalassomyia, 945 



Thallasironus, 486 



Thamnocephalus, 670; platyurus, 670 



Thelaziidae, 527 



Thermal springs, life of, loi 



Thermocline, 28 



Theliderma, 997 



Thermonectes (adult), 941 



Thorea, 175; ramosissima, 17s 



Threadworms; see Nematoda, Parasitic 



Thresher tank-pump, 80 



Throscinus (adult), 942 



Thuricola, 296; vahata, 296 



Thuricolopsis, 296 



Thyas, 861; ve^iusta, 861 



Tintinnidiimi, 286; fiumatilis, 286 



Tintinnus, 286 



Tiphys, 873; liliaceus, 873 



Tipulidae (larvae), 944 



Tolypella, 173; nidifica, 173 



Tolypothrix, 112; lanata, 112 



Torquis, 984 



Torrenticola, 864; anomala, 864 



Tow net, 72 



Trachelius, 27s; ovum, 275 



Trachelobdella vivida, 655 



Trachehnonas, 252; hispida, 252, lagenella, 

 252, volvocina, 252 



Trachelophyllmu, 273; tachyUaslum, 273 



Tralia, 978; mysotis, 979, pusitta, 978 



Tramea (imago), 927, (nymph), 932 



Trammel net, 62 



Transmission, disease, 1067 



Traps, 6s 



Trematoda (flukes), Fresh-Water, 15, 365. 

 369-424, 4S2-453; cercaria, 371, 372, ag 

 plankton organism, 372, degree of infection, 

 373, development, 371, intermediate host, 

 371, key, 374-424, miracidium, 371, primary 

 host, 372, redia, 371, references, 452-433, 

 sporocyst, 371, structure, 369, 370; see Para- 

 sitic Flatworms; Parasitic Worms 



Trentipohlia, 170; wainoi, 170 



