180 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



LIRULARIA LIRULATA CONICA Carpenter, 1864. (Plate 17, fig. 1.) 



Suppl. Rep. Brit. Assoc, p. 653 ; Proc. Acad. Nat. Sci. Phila. for 1865, p. 61. 

 Puget Sound. 



LIRULARIA LIRULATA OBSOLETA Carpenter, 1864. 



Suppl. Rep. Brit. Assoc, p. 653 ; Proc. Acad. Nat. Sci. Phila. for 1865, p. 61. 

 Neah Bay, Washington. 



LIRULARIA LIRULATA SUBELEVATA Carpenter, 1864. 



Suppl. Rep. Brit. Asso., p. 653: Proc Acad. Nar. Sci. Phila. for 1865, p. 61. 

 Neah Bay, Washington. 



LIRULARIA ACUTICOSTATA Carpenter, 1864. (Plate 18, fig. 5.) 



Suppl. Rep. Brit. Assoc, p. 653; Proc Cal. Acad. Sci., vol. 3, p. 157. 

 Bodega Bay to Coronado Islands. 



LIRULARIA ALTHORPENSIS Dall, 1919. 



Proc U. S. Nat. Mus., vol. 56, p. 365. 

 Granite Cove, Port Althorp, Alaska. 



Subgenus Margarites Leach, s. s. 



MARGARITES HELICINUS Phipps, 1773. 



Voy. N. Pole, App., p. 198; Binney's Gould's Inv. Mass., p. 281, fig. 542. 

 Bering Strait, all coasts of Bering Sea, and south to Catalina Island, Cali- 

 fornia. Also Atlantic. 



MARGARITES HELICINUS ELEVATUS Dall, 1919. 



Proc U. S. Nat. Mus., vol. 56, p. 366. 

 Baranoff Island, Alaska. 



MARGARITES HELICINUS EXCAVATUS Dall, 1919. 



Proc U. S. Nat. Mus., vol. 56, p. 366. 

 Amchitka and Middleton Islands, Alaska. 



MARGARITES BERINGENSIS E. A. Smith, 1899. (Plate 16, figs. 5, 6.) 



Proc Mai. Soc London, vol. 3, p. 206, fig. 1. 

 Arctic Ocean, Plover Bay, Commander Islands, and Petrel Bank, Bering Sea. 



MARGARITES ALBOLINEATUS E. A. Smith, 1899. (Plate 16, figs. 3. 4.) 



Proc Mai. Soc. London, vol. 3, p. 206, fig. 2. 

 All coasts of Bering Sea. 



MARGARITES OLIVACEUS Brown, 1827. 



111. Conch. Gt. Brit., ed. 1, p. IV, pi. 46, figs. 30-31. 



St. Lawrence Island (Krause) ; Atka Island, Aleutians. Also Atlantic. 



MARGARITES PRIBILOFFENSIS Dall, 1919. 



Proc U. S. Nat. Mus., vol. 56, p. 366. 



Arctic Ocean to off Pribilof Islands, Bering Sea. 



MARGARITES FRIGIDUS Dall, 1919. 



Proc U. S. Nat. Mus., vol. 56, p. 357. 



Arctic Ocean and south to Nunivak Island, Bering Sea ; and Windfall Har- 

 bor. Admiralty Island, Alaska. 



MARGARITES MARGINATUS Dall, 1919. (Plate 16, figs. 1, 2.> 



Proc U. S. Nat. Mus., vol. 56, p. 367. . 



Arctic Ocean and Boring Sea, south to Oregon. Also Atlantic. 



