NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 175 



CHLOROSTOMA BRUNNEUM FLUCTUOSUM Dall. 1919. 

 Proc. U. S. Nat. Mus., vol. 5G, No. 2295, p. 359. 

 Purissima to San Nicolas Island, California. 



CHLOROSTOMA RUGOSUM A. Adams, 1851. 



Proc. Zool. Soc, p. 182.— Tryon, Man., vol. 11, pi. 26, rig. 20. 

 San Diego, California, to Acapulco, Mexico. 



CHLOROSTOMA MONTEREYI Kicncr, 1850. 

 Coq. Vivantes, Trochus, pi. 33, fig. 1. 

 Baulinas Bay to Santa Barbara Islands, California. 



CHLOROSTOMA REGINA Stearns, 1893. 



Proc. V. S. Nat. Mus., vol. 16, p. 350, pi. 50, figs. 6, 7. 



Catalina and San Clemente Islands, California, to Magdalena Bay, Lower 

 California, and C4uadelupe Island. 



Subgenus Promartynia Dall, 1909. 



PROMARTYNIA PULLIGO Martyn, 1784. (Plate 17, figs. 5, 6.) 



Figs. Nondescript Sbells, table 2, pi. 76. — Tryon, Man., vol. 11, pi. 26, figs. 



23-25. 

 Sitka, Alaska, to Santa Barbara Islands, California. 



Subgenus Omphalitis Philippi, 1S47. 



OMPHALIUS AUREOTINCTUS Forbes, 1850. 



Proc. Zool. Soc, p. 271, pi. 11, fig. 7. 



Santa Barbara Islands, California, to Magdalena Bay. 



OMPHALIUS IMPRESSUS Jonas. 1848. 



Conch. Cab., ed. 2, Trochus, p. 318, pi. 45, fig. 6. 



San Diego, California (Cooke), to Tres Marias Island. 



OMPHALIUS LIGULATUS Menke, 1850. 



Zeitschr. f. Mai., p. 173.— Tryon, Man., vol. 11, pi. 29, figs. 58-60. 

 Monterey, California, to Acapulco, Mexico. 



OMPHALIUS RETICULATUS Wood, 1828. 



Index Test. Suppl., pi. 6, fig. 38.— Tryon, Man., vol. 11, pi. 29, figs. 63, 64. 

 San Pedro, California, to Panama. 



OMPHALIUS MARIANUS Dall, 1919. 



Proc. U. S. Nat. Mus., vol. 56, p. 359.— Tryon, Man., vol. 11, pi. 24, figs. 



80-83. 

 Santa Barbara Island, to Payta, Peru. 



Genus CALLIOSTOMA Swainson, 1840. 



CALLIOSTOMA COSTATUM Martyn, 1784. 



Figs. Nondescript Shells, table 1, pi. 34. — Tryon, Man., vol. 11, pi. 16, 



figs. 6, 9. 

 Sitka, Alaska, to San Diego, California. 



CALLIOSTOMA COSTATUM CAERULEUM Dall, 1919. 

 Proc. U. S. Nat. Mus., vol. 56, No. 2295, p. 359. 

 Neah Bay. Washington, to Monterey, California. 



