Index 



Stigeroclonium, 46. 

 Stigonema, 38. 



Stockton, California, 6; location, 7. 

 Studies on Marine Diatoms and Dino- 

 flagellates Caught by Aid of the 

 Kofoid Bucket in 1922, 435-445. 

 Stylarioides flabellata, 381. 

 papulosa, description, 379-381. 

 plumosa, 381. 

 Stylarioides papulosa Sp. Nov., a 

 New Annelid from the San Diego 

 Region, 379-381. 

 Suctoria, 85, 112. 

 Suisun Bav, California, 301. 

 Sumner, Dr. F. B., 5. 

 Surirella, 48, 59, 338. 

 biseriata, 62. 

 ovalis, 62. 

 robusta, 62. 

 spiralis, 61, 62. 

 Symploeastrum, 38. 

 Synchaeta, 104. 

 pectinata, 105. 

 stylata, 105. 

 tremula, 105. 

 Syncrypta, 75. 

 Synedra acus, 62. 

 eapitata, 62. 

 radians, 48, 59, 62. 

 ulna, 48, 60, 62. 

 Svnura, 30. 



'uvella, 73. 

 Tabellaria, 60. 



fenestrata, 60, 62. 

 flocculosa, 60. 

 Taylor, C. V., acknowledgment, 456. 

 Temora longicornis, 429. 

 Temperature, factor of plankton pro- 

 duction, 12, 13, 20, 45, 47, 48, 50, 

 51, 99, 101, 103, 113, 118, 119, 

 120, passim; affecting Teredo, 

 298, 304, 307, 317; solar influence 

 on in shallow water, 415. 

 Teredinidae, 402, 457, 467. 

 Teredo beaehi, 313, 314, 316, 317, 408, 

 455. 

 beaufortana, 401, 408, 456; pallets 



of, 407. 

 deshayii, 455. 

 diegensis, 350, 408. 

 dilatata, 456. 

 fatalis, 455 



morsei, pallets of, 407, 408. 

 norvegica, 358, 386. 

 novangliae, pallets of, 407, 408. 

 townsendi, 408. 

 Teredo navalis, identification, 294; 

 shell, 295, 296 (terminology), 

 317; number of ridges on, as 

 records, 297—300, variation in 

 number of, 306; effects of eco- 

 logical conditions, 298, 301, 306, 



311, 404-406; variability, 301, 

 309, 311, 312, 313, 408; effect 

 of sewage, 304 ; behavior in low 

 salinity, 353-356, 367; death 

 point, 357; self -protection, 358, 

 367; factors limiting protection, 

 359-362; "lethal stretch," 364- 

 366, 367; recuperation, 366, 367; 

 use of wood as food, 384, 385, 

 395, 396; biological, physiological, 

 and chemical considerations, 384- 

 385, 386, 466; analysis of borings 

 (tables), 387-395; principal food 

 of, 395, 396; absorption of toxic 

 substances, 396, 397. 

 Morphology: digestive tract, 385, 

 455, 467; pallets, 401-406; di- 

 gestive system, 457; mouth, 



457, 467; ciliary mechanism, 



458, 467; branchial groove, 

 458; anterior gills, 458; oeso- 

 phagus, 459; stomach, 459. 460, 

 461, 462, 467; digestive glands, 

 livers, 459, 460, 467; caecum, 

 460, 461, 463, 466, 467; caecal 

 artery, 461; sac of crystalline 

 style, 461, 462, 463, 467; gas- 

 tric shield, 462; siphon, 462; 

 lateral pouch, 463; gastroin- 

 testinal typhlosole, 463; gas- 

 tric typhlosole, 464; coiled 

 tvphlosole of the intestine, 

 465, 467. 



Tetrastrum, 46. 



Thalassiosira baltica, 338, 374, 375. 



subtilis?, 441. 

 Thalassiothrix, 450. 



acuta, 441. 



longissima, 338. 



nitzsehiodes, 338. 

 Tibnron, California, salinities at, 304. 

 Tides (tidal currents), influence on 

 plankton, 14, 16, 117, 118, 120, 

 123, 124, 345, 415. 

 Tintinnidium, 119. 



fluviatile, 84. 

 Tow-net catches, of phytoplanktoii, 



330. 

 Trachelius ovum, 85. 

 Trachelomonas, 119. 



euchlora, 74. 



volgensis, 74. 



volvocina, 74. 

 Trichocerca, endoparasitized, 106. 



capucina, 105. 



iernis, 105. 

 Trichodina pediculus, 84. 

 Trichotria curta, 106. 

 Trieste, locality for Teredo, 456. 

 Trinema enehelys, 77. 

 Tuolumne River, California, 9. 

 Typha latifolia, 14. 



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