18 
BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 
OSTREA PALMULA Carpenter, 1857. 
Miizatlan Cat, p. 163. 
Puget Sound to Gulf of California. 
OSTREA LURIDA Carpenter, 1864. 
Siippl. Rep. Brit. Assoc., p. 645 ; Journ. de Conchyl., vol. 12, p. 137. 
Sitka to Cape San Lucas. 
OSTREA LURroA 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. 
A 
Genus PECTEN Miiller, 1776. 
Subgenus Pecten s. s. 
PECTEN DIEGENSIS Dali, 1898. 
Trans. Wagner Inst., vol. 3, pt. 4, p. 710. — Hinds, Zool. Sulphur Voy. Moll., 
pi. 17. fig. 6. 
Monterey to San Diego and the Cortez Bank. 
Subgenus Chlamys Bolten, 1798. 
CHLAMYS HERICIUS Gonld, 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 (HERICIUS Gonld, var.?) ALBIDUS Dali, 1906. 
Arnold, Tert. Pectens Cal., p. 136, pi. 52, fig. 2. 
Aleutian Islands. 
CHLAMYS HASTATUS Sowerby, 1843. 
Thes. Conch. Pecten, p. 72, pi. 20, fig. 236. — Arnold, Tert. Pectens Cal., pi. 
42, figs. 1, 2, 
Monterey to San Pedro, California. , deJu/t-, 
CHLAMYS HINDSII 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 Dali, 1898. 
Trans. Wagner Inst., vol. 3, pt. 4, p. 708. — Hinds, Zool. Sulphur Voy. Moll., 
pi. 17, fig. 5. 
Bering Sea to San Diego, California. 
CHLAMYS HINDSII KINCAIDI Oldroyd, 1920. 
Nautilus, vol. 83, p. 135, pi. 4, figs. 3, 4. 
Puget Sound. 
