NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 187 



LEPIDOPLEURUS FARALLONIS Dall, 1908. 



Bull. Mus. Comp. Zool., vol. 43, No. 6, p. 355. 



Farallones Islands, California, to Panama, in deep water. 



LEPIDOPLEURUS AMBUSTUS Dall, 1919. 

 Proc. U. S. Nat. Mus., vol. 55, p. 499. 

 Santa Barbara Channel, 20 to 40 fathoms. 



LEPIDOPLEURUS BELKNAPI Dall, 1878. 



Proc. U. S. Nat. Mas., vol. 1, p. 1. — Pilsbry, Man., p. 7, pi. 1, figs. 18-22. 

 Off Aleutian Islands, 1;006 fathoms; off Luzon, Philippine Islands, 1,050 

 fathoms. 



LEPIDOPLEURUS LYCURGUS Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 55, p. 500. 

 Catalina Island, California. 



LEPIDOPLEURUS OLDROYDI (Bartsch) Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 55, p. 500. 

 Monterey to Catalina Island, California. 



LEPIDOPLEURUS LURIDUS Dall, 1902. 



Proc. U. S. Nat. Mus., vol. 24, No. 1264, p. 566. 

 Puget Sound, 48 fathoms ; Panama, 1,270 fathoms. 



LEPIDOPLEURUS ALASCENSIS Thiele, 1909. 



Zoologica, vol. 22, Heft 56, p. 13, pi. 1, figs. 51-60. 

 "Alaska " (Thiele). 



LEPIDOPLEURUS MESOGONUS Dall, 1902. 



Proc. U. S. Nat. Mus., vol. 24, p. 555. 



Bering Sea, 688 fathoms; Queen Charlotte Islands, British Columbia, in 

 1,588 fathoms. 



Section XIPHI0Z0NA Berry, 1919. 



LEPIDOPLEURUS NEXUS Carpenter, 1864. 



Suppl. Rep. Brit. Assoc, p. 650. — Pilsbry, Man., p. 11. 

 Catalina Island, California, to the Gulf of California. 



LEPIDOPLEURUS HEATHI Berry, 1919. 



Lorquinia, Jan., 1919, p. 5 ; Proc. Cal. Acad. Sci., ser. 4, vol. 9. p. 6, pi. 1, 



figs. 1, 2 ; pi. 2. 

 Off Monterey, California, in 15 fathoms (S. S. Berry). 



Genus OLDROYDIA Dall, 1894. 



OLDROYDIA PERCRASSA Dall, 1894. 



Nautilus, vol. 8, No. 8, p. 90; Zoologica, vol. 22, Heft 56, pt. 2, p. 71, pi. 7, 



figs. 1-8. 

 Monterey, California, to San Martin Island, Lower California. 



Genus HANLEYA Gray, 1857. 



HANLEYA HANLEYI Bean, 1844. 



Thorpe, Brit. Marine Conch., p. 263, fig. 57. — Pilsbby, Man., p. 17. pi. 3. 



figs. 71-79. 

 Plover Bay, Bering Strait, to Monterey, California. Also Atlantic. 



