Index 



Strombidium testaceum, 371. 



Stylonj'chia, 341, 356, 378, 380, 381. 



Styloplotes, genus, 338. 



Subclavian Vein, The, and Its Rela- 

 tions in Elasmobranch Fishes, 

 479; studies on, in Heptanchus, 

 Mustelus, and Squalus, 480-483. 



Sumner, F. B., acknowledgment, 241, 

 300; member of board for sur- 

 vey of San Francisco Bay, 299. 



Sumner, et al., cited, 32, 34, 35; 

 acknowledgment, 300. 



Suzuki, M., 487; cited, 487. 



Swezy, Olive, 89; acknowledgment, 

 2, 173, 340; cited, 9, 366, 382, 

 383. 



Tellina buttoni, 303, 320, 321. 

 salmonea, 303, 320, 321. 



Temperature in abyssal waters, 191, 

 in the Pacific Ocean, 191, 192- 

 197, off the Pacific Coast of 

 North America, 199, 201; factor 

 in distribution of fauna and 

 flora, 200, 202, 203, 205. See also 

 Salpa democratica; San Fran- 

 cisco Bay; San Pablo Bay. 



Teredo diegensis, absence, and pres- 

 ence, in regions of San Francisco 

 Bay, 27, 28, in San Pablo Bay, 

 29; activity of, 28, 40, 42; de- 

 struction done by, 29, 30, 37, 39; 

 effect of salinity on, 36, 42; sen- 

 sitiveness of, 41. 

 dilatata, 37. 

 navalis, 37. 



Thais lamellosa, 303, 304, 305, 307, 

 320, 322. 



Thelepus, 216. 



Thon, K.,, cited, 380, 384. 



Tivila crassatelloides, 308. 



Tower, W. L., cited, 210, 225. 



Tragosome harrisii, 205. 



Transmission, The, of Nervous Im- 

 pulses in Relation to Locomotion 

 in the Earthworm, 103. 



Treadwell, A., acknowledgment, 172. 



Trichoda, genus, 338. 



Trichomonas, genus, 382. 



Tripsolenia, genus, 403. 



Tsuchiya, I., cited, 486, 487. 



Turbonilla franciscana, 303, 320, 321. 

 keepi, 303, 320, 321. 



Turris, cf. incisa, 303, 321. 



Union Bay, Alaska, 431, 457. 



United States Bureau of Fisheries, 

 Biological Survey of San Fran- 

 cisco Bay, 299. 



Unusual Extension of the Distribu- 

 tion of the Shipworm in San 

 Francisco Bay, California, 27. 



Uronychia, 370, 371, 372. 



Urosalpinx cinereus, 314, 330. 



Venezuela, 488. 



Vogt, C, 95. 



Vortieella, 363. 



Walcott, C. D., cited, 171. 



Wallengren, H., quoted, 371. 



Webber, H. J., cited, 384. 



Wenyon, C. M., cited, 1, 21. 



Werner, H., cited, 1. 



Westwalde, Germany, 401. 



Whiting, P. W., cited, 370. 



Willemoes-Suhm, E., cited, 212. 



Wilson, C. W., cited, 366, 381, 385. 



Wooley, P. G., cited, 515. 



Wyvilie Thomson's Ridge, 202. 



Xylotrya gouldi, 37. 

 setacea, 27. 



Yamamoto, J., cited, 486. 



Yes Bay, Alaska, 429, 448. 



Yocom, H. B., 337. 



Zirfaea gabbi, 303, 304, 305, 307, 320, 

 321, 322. 



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