58 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



Genus SIPHONODENTALIUM M. Sars, 1859. 



? SIPHONODENTALIUM QUADRIFISSATUM Pilsbry, 1898. 



Man. Conch., vol. 17, p. 150, pi. 29, figs. 10-13. 

 San Pedro to San Diego, California. 



Genus CADULUS Philippi, 1844. 



CADULUS FUSIFORMIS Pilsbry and Sharp, 1898. 

 Man. Conch., vol 17, p. 193, pi. 35, fig. 14. 

 Monterey, California, to Cape San Lucas. 



CADULUS HEPBURNI Dall, 1897. 



Bull. Nat. Hist. Soc. Brit. Col., No. 2, p. 12. pi. 1, fig. 13. 

 Victoria, British Columbia, to Monterey, California. 



CADULUS CALIFORNICUS Pilsbry and Sharp, 1898. 

 Man. Conch., p 17, vol. 180, pi. 34, figs. 5-8. 

 Clarence Strait, Alaska, to Manta, Ecuador. 



CADULUS TOLMEI Dall, 1897. 



Bull. Nat. Hist. Soc. Brit. Col., No. 2, p. 13, pi. 1, fig. 8. 

 Vancouver Island to San Quentin Bay. Lower California. . 



CADULUS PERPUSILLUS Sowerby, 1832. 

 Proc. Zool. Soc, 1832, p. 29. 

 Monterey, California, to Panama. 



CADULUS ABERRANS Whiteaves, 1887. 



Trans. Roy. Soc. Canada, vol. 4, sec. 4, p. 124, fig. 2. 

 Quatsino Sound, British Columbia. 



CADULUS STEARNSII Pilsbry and Sharp, 1898. 



Man. Conch., vol. 17, p. 253, pi. 27, figs. 88, 89. 



British Columbia to San Quentin Bay. Lower California. 



Class GASTROPODA. 



Subclass AnISOPLEURA. 

 Superorder EUTHYNEURA. - 



Order PTEROPODA. 

 Suborder Thecosomata. 



Family SPIRATELLIDAE. 

 Geitus SPIRATELLA Blainville, 1817. 



SPIRATELLA PACIFICA Dall, 1871. 



Amer. Journ. Conch., vol. 7, p. 138. 



Point Barrow, Arctic Ocean, south to Monterey, California. 



Subgenus Het'khoi rsi s Fleming, 1823. 

 HETEROFUSUS, species. 



Off Oregon coast, in stomach of salmon. 



