NORTHWEST COAST MARINE SHELL.BEARING MOLLUSKS. 141 



Family RANELLIDAE. 



Genus BURSA Bolten, 1798. 



Subgenus Bufonaria Schumacher, 1817. 



BUFONARIA CALIFORNICA Hinds, 1843. 



Ann. Mag. Nat. Hist., vol. 11, April, p. 255; Zool. Voy. Sulphur. Moll., pi. 2, 



figs. 4, 5. 

 Monterey, California, to Cerros Island, Lower California. 



Family CYMATIIDAE. 

 Genus ARGOBUCCINUM Morch, 1852. 



Subgenus FusiTRlTON Cossmann, 1903. 



FUSITRITON OREGONENSIS Redfield, 1848. 



Ann. Lye. Nat. Hist. N. Y., vol. 4, p. 165, pi. 11, fig. 2. 



From the line of floating ice in winter in Bering Sea near the Pribilof 

 Islands, south on the west to the Okhotsk Sea and Japan, and on the 

 east to San Nicolas Island, California ; San Diego, in deeper water 

 (Raymond). 



Genus CYMATIUM Bolten, 1798. 



CYMATIUM CORRUGATUM (Lamarck, 1822) TREMPERI Dall, 1907. 



Nautilus, vol. 21, No. 8, p. 85. 



San Pedro. California, to Gulf of California. Mediterranean? 



CYMATIUM GIBBOSUM Broderip, 1833. 



Proc. Zool. Soc, p. 7 ; Conch. Icon., Triton, pi. 13, fig. 38. 

 San Pedro and San Diego, California, to Panama. 



Family SEGUENZIIDAE. 

 Genus SEGUENZIA Jeffreys, 1876. 



SEGUENZIA CERTOMA Dall, 1919. 



Proe. U. S. Nat. Mus., vol. 56, No. 2295, p. 343. 

 Off San Diego, California, in 600 fathoms. 



SEGUENZIA GIOVIA Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 343. 

 Off Catalina Island, California, in 118 fathoms. 



SEGUENZIA CERVOLA Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 56. No. 2295, p. 344. 

 Off North Coronado Island, in 692 fathoms. 



SEGUENZIA CALIANA Dall, 1919. 



Proc. U. S. Nat. Mus., vol 56, No. 2295, p. 344. 



Off La Jolla and San Diego, California, in 243 to 822 fathoms. 



167980— 21— Bull. 112 10 



