NOKTHWEST COAST MAKINE SHELLBEARING MOLLUSKS. Ill 
NEPTUNEA SMITHI Dall, 1902. (Plate 13, fig. 8.) 
Proc. U. S. Nat. Mus., vol. 24, No. 1264, p. 542. 
Pribilof Islands, Bering Sea, to Santa Barbara Islands, California. 
NEPTUNEA STUARTI E. A. Smith, 1880. 
Proc. Zool. Soc., p. 481, pi. 48, fig. 6. 
Shumagin Islands, Alaska, to San Diego, California. 
Section TROPHONOPSIS Bncqiioy, Dautzenberg, and Dollfus, 1882. 
3 . NEPTUNEA TENUISCULPTA Carpenter, 1866. (Plate 11, figs. 11, 12.) 
Ann. Mag. Nat. Hist., ser. 3, vol. 17, p. 277. — Teyon, Man., vol. 2, p. 139, 
pi. 33, fig. 359, 1880. ^ 
Southeastern Bering Sea to Todos Santos Bay, Lower California. 
NEPTUNEA CEERITENSIS Arnold, 1903. 
Pal. San Pedro, p. 249, pi. 6, fig. 6. 
Cerritos and San Pedro, California. Pleistocene. 
NEPTUNEA PEDRO ANA Arnold, 1903. 
Pal. San Pedro, p. 251, pi. 6, fig. 12. 
San Pedro, California., Pleistocene and Pliocene. 
NEPTUNEA LASIA Dali, 1919. 
Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 338. 
Off Point Pinos, California, in 495 fathoms. 
NEPTUNEA APOLYONIS Dall, 1919. 
Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 337. 
Off Santa Barbara Islands, California, in 216 to 339 fathoms. 
NEPTUNEA KAMCHATKANA Dall, 1902. (Plate 10, fig. 7.) 
Proc. U. S. Nat. Mus., vol. 24, No. 1264, p. 541. 
Western Bering Sea, 100 fathoms. 
NEPTUNEA TRIPHERA Dall, 1902. (Plate 15, figs. 8, 9.) 
Proc. U. S. Nat. Mus., vol. 24, No. 1264, p. 545. 
Fuca Strait to San Diego, California, and off Piedras Blancas, Lower Cali- 
fornia, in 485 fathoms. 
NEPTUNEA TOLOMIA Dali, 1919. 
Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 337. 
San Miguel Island, California, in 376 fathoms. 
Subfamily Thaisinae. 
Genus THAIS Bolten, 1798. 
Subgenus Nucella Bolten, 1798. 
NUCELLA LAMELLOSA Gmelin, 1792. 
Syst. Nat., vol. 7, p. 3498 ; Proc. U. S. Nat. Mus., vol. 49, p. 563, pi. 74, figs. 5-8. 
Port Clarence, Bering Strait and southward on the west to Sado Island, 
Japan Sea, on the east to the Aleutian Islands, and Santa Barbara, Cali- 
fornia. Pliocene and Pleistocene of California and Oregon. 
