NORTHWEST COAST MARINE SHELHBEARING MOLLUSKS. 187 
LEPIDOPLEURUS FARALLONIS Dali, 1908. 
Bull. Mils. 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. Mus., vol. 1, p. 1. — Pilsbry, Man., p. 7, pi. 1, figs. 18-22. 
Oft 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. 
Cataliij^a 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. 
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, yol. 9, p. 6, pi. 1,. 
figs. 1, 2 ; pi. 2. 
Off Monterey, California, in 15 fathoms (S. S. Berry). 
HANLEYA HANLEYI Bean, 1844. 
Thorpe, Brit. Marine Conch., p. 263, fig. 57. — Pilsbry, Man., p. 17, pi. 3. 
figs. 71-79. 
Plover Bay, Bering Strait, to Monterey, California. Also Atlantic. 
Section XIPHIOZONA Berry, 1919. 
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. 
