NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 119 

 Subgenus Sabinetxa Monterosato, 1S90. 



SABINELLA BAKERI Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 334, pi. 43, fig. 5. 

 San Diego, California. 



SABINELLA PTILOCRINICOLA Bartsch, 1907. 



Proc. U. S. Nat. Mus., vol. 32, p. 555, pi. 53; vol. 53, p. 335, pi. 44, fig. 2, 



1917. 

 Parasitic on Ptilocrin/us, in 1,588 fathoms, off British Columbia. 



Genus ENTOCOLAX Voight, 1888. 



ENTOCOLAX LUDWIGI Voight, 1888. 



Zeitschr. Wiss. Zool., vol. 47, p. 658, pi. 41-43. 

 Bering Sea, parasite of Myriotrochus. 



Genus CYTHNA Carpenter, 1864. 



CYTHNA ALBIDA Carpenter, 1864. 



Proc. Cal. Acad. Sci., vol. 3, p. 219. 

 Southern California. Parasitic on starfishes. 



Genus HALIELLA Monterosato, 1873. 



HALIELLA ABYSSICOLA Bartsch, 1908. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 336, pi. 43, fig. 8. 

 In 822 fathoms off San Diego, California, and southward to latitude 27° 

 north, off Point Pablo, Lower California, in 284 fathoms. 



HALIELLA LOMANA Dal!, 1908. 



Proc. U. S. Nat. Mus., vol. 34, p. 253 ; vol. 53, p. 337, pi. 44, fig. 1. 

 Off Point Loma, San Diego County, California, in 650 fathoms. 



Genus STROMBIFORMIS Da Costa, 1778. 



STROMBIFORMIS ALASKENSIS Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 339, pi. 45, fig. 1. 

 Dutch Harbor, Unalaska, Aleutian Islands. 



STROMBIFORMIS CALIFORNICUS Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 340, pi. 45, fig. 5. 

 Catalina Island, to San Diego, California. 



STROMBIFORMIS ALMO Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 342, pi. 46, fig. 5 

 Santa Rosa Island to San Diego, California. 



Genus ACLIS Loven, 1846. 



Subgenus Gkaphis Jeffreys, 1869. 



CRAPHIS SHEPARDIANA Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 56, p. 342. 

 San Pedro to San Diego, California. 



