NORTHWEST COAST MAEINE SHELLBEARING MOLLUSKS. 1G7 

 Section MARSENINA Gray, 1850. 



LAMELLARIA RHOMBICA Dall, 1871. 



Amer. Journ. Conch., vol. 7, pt. 2, p. 122, pi. 15, figs. 4, 5. 

 Neah Bay, Washington, to Magdalena Bay, Lower California. 



Genus ONCHIDIOPSIS Bergh, 1853. 



ONCHIDIOPSIS HANNAI Dall, 1916. 



Proe. Acad. Nat. Sci. Phila., p. 376. 



St. Paul Island, Prihilof group, Bering Sea. 



Family VELUTINIDAE. 

 Genus VELUTINA Fleming, 1822. 



VELUT1NA PROLONGATA Carpenter, 1865. 



Ann. Mag. Nat. Hist., ser. 3, vol. 15, p. 32. 

 Bering Strait to Monterey, California. 



VELUTINA ZONATA Gould, 1841. 



Invert. Mass., p. 242, fig. 160. 



Icy Cape, Arctic Ocean, to Monterey, California ; also Atlantic. 



VELUTINA LAEVIGATA (Linnaeus) Miiller, 1776. 



Syst. Nat., ed. 12, p. 1250 ; Zool. Danica, pi. 101, figs. 1-4. 



Icy Cape, Arctic Ocean, to Monterey, California ; also Atlantic. 



VELUTINA CONICA Dall, 1886. 



Proc. U. S. Nat. Mus., vol. 0, p. 305, pi. 3, fig. 10. 



Aleutian Islands eastward to Kodiak and south to Forrester Island, Alaska. 



VELUTINA GRANULATA Dall, 1919. 



Proc. U. S. Nat. Mus.. vol. 56, No. 2295, p. 355. 

 Monterey, California, in 55 fathoms. 



VELUTINA CORIACEA Pallas, 1788. 



Nov. Acta Acad. Petrop., vol. 2, p. 237. — Teyon, Man., vol. 8, pi. 28, figs. 



49, 50. 

 Bering Sea, and the Okhotsk Sea. 



VELUTINA CRYPTOSPIRA Middendorff, 1849. 



Mai. Rossica, pt. 2, p. 106 ; Sibirische Reise, pi. 25, figs. 8, 9, 10. 

 Gulf of Alaska. 



VELUTINA SITKENSIS A. Adams, 1851. 



Proc. Zool. Soc, p. 283. 



Bering Sea; Sitka, Alaska (Adams). 



Genus TORELLIA Loven, 1867. 



TORELLIA AMMONIA Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 355. 

 Southwest of Sannakh Island, Alaska, in 41 fathoms. 



TORELLIA VALLONIA Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 355. i 

 Nazan Bay, Atka Island, Aleutians. 



