18 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



OSTREA PALMULA Carpenter, 1857. 



Mazatlan Cat, p. 163. 



Puget Sound to Gulf of California. 



OSTREA LURIDA Carpenter, 1864. 



Suppl. Rep. Brit. Assoc, p. 645; Journ. de Conchyl., vol. 12, p. 137. 

 Sitka to Cape San Lucas. 



OSTREA LURIDA EXPANSA Carpenter, 1864. 



Suppl. Rep. Brit. Assoc, p. 646 ; Journ. de Conchyl., vol. 12, p. 138. 

 Monterey to San Diego, California. 



OSTREA ELONGATA (Solander, 1786, var.) VIRGINICA Gmelin, 1792. 



Syst. Nat., vol. 7, p. 3336; Conch. Cab., ed. 1, vol. 8, figs. 677, 678. 

 Imported from the Atlantic Coast. 



Superfamily PECTINACEA. 



Genus PECTEN Miiller, 1776. 



Subgenus Pecten s. s. 



PECTEN DIEGENSIS Dall, 1898. 



Trans. Wagner Inst., vol. 3. pt. 4, p. 710. — Hinds. Zool. Sulphur Voy. Moll. 



pi. 17. fig. 0. 

 Monterey to San Diego and the Cortez Bank. 



Subgenus Chlamys Bolten, 1798. 



CHLAMYS HERICTCS Gould, 1850. 



Proc Boston Soc. Nat. Hist., vol. 3, p. 346. — Arnold, Tert. Pectens CaL 



pi. 43, figs. 3. 3a. 

 Port Althorp, Alaska, to San Diego, California. 



CHLAMYS (HERICITJS Gould, var.?) ALBIDUS Dall, 1906. 



Arnold, Tert. Pectens CaL, p. 136, pi. 52, fig. 2. 

 Aleutian Islands. 



CHLAMYS HASTATUS Sowerby. 1843. 



Tbes. Conch. Pecten, p. 72, pi. 20, fig. 236. — Arnold, Tert. Pectens Cal., pi. 



42, figs. 1, 2. 

 Monterey to San Pedro, California. 



CHLAMYS HINDS1I Carpenter, 1864. 



Suppl. Rep. Brit, Assoc, p. 645. — Arnold, Tert. Pectens Cal., pi. 43, figs. 1, 2. 

 Monterey to San Pedro, California. 



CHLAMYS HINDSII NAVARCHUS Dall, 1898. 



Trans. Wagner Inst., vol. 3, pt. 4, p. 70S. — Hinds, Zool. Sulphur Voy. Moll., 



pi. 17, fig. 5. 

 Bering Sea to San Diego, California. 



CHLAMYS HINDSII KINCAIDI Oldroyd, 1920. 

 Nautilus, vol. 33, p. 135, pi. 4, figs. 3. 4. 

 Puget Sound. 



