NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 67 



Subgenus Kerguelenia Rochebrune and Mabille, 1889. 



KERGUELENIA BRANNANI Stearns, 1872. (Plate 15, figs. 13. 14.) 



Proc. Cal. Acad. Sci., vol. 4, p. 249. pi. 1, fig. 4. 

 Santa Barbara and Santa Catalina Islands; Laguna Beacb, California. 



Genus WILLIAMIA Monterosato, 1884. 



WILLIAMIA VERNALIS Dall, 1870. 



Auier. Journ. Couch., vol. 6, p. 37, pi. 4, figs. 11 a-b, 1S70; Journ. de Conch., 



vol. 26, p. 70. 

 Crescent City to San Nicolas Island, and La Jolla, California. 



WILLIAMIA PELTOIDES Carpenter, 1864. (Plate 15, fljrs. 10, 12.) 



Ann. Mag. Nat. Hist., vol. 50, p. 474. 

 Cataliua Island to Gulf of California. 



Suborder Stylommatophora 



Superfamily DITREMATA. 



Family ONCHIDIIDAE. 

 Genus ARCTONCHIS Dall, 1905. 



ARCTONCHIS BOREALIS Dall, 1871. 



Auier. Journ. Conch., vol. 7, p. 135 ; Proc. Acad. Nat. Sci. Phila., 1S7G, pi. G, 



fig. E. 

 Port Moller and Aleutian Islands to northern California. 



Superorder STREPTONEURA. 



Order CTENOBRANCHIATA. 



Suborder Orthodonta. 



Superfamily TOXOGLOSSA. 



Family TEREBRIDAE. 



Genus TEREBRA (Bruguiere, 1789) Lamarck, 1799. 



Subgenus Stkiotekkbruji Sacco, 1891. 



STRIOTEREBRUM PEDROANUM Dall, 1908. 



Bull. Mus. Com p. Zool., vol. 43, No. 0, p. 251. 

 San Pedro and San Diego, California. 



STRIOTEREBRUM PEDROANUM PHILIPPIANUM Dall, 1920. 



Caki'kntkr. Ann. Mag. Nat. Mist., ser. 3, vol. 15, p. 394, 1SG5. (Simplex 



Carpenter, uot Conrad, 1830.) 

 San Pedro, California, to bead of Gulf of California. 



