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 Dali, 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 Dali, 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. 
Genus SPIRATELLA Blainville, 1817. 
SPIRATELLA PACIFICA Dali, 1871. 
Amer. Journ. Conch., vol. 7, p. 138. 
Point Barrow, Arctic Ocean, south to Monterey, California. 
Subgenus Heteeofusus Fleming, 1823. 
HETEROFUSUS, species. 
Off Oregon coast, in stomach of salmon. 
