18 PROCEEDINGS OF THE NATIONAL MUSEUM \ov. 66 



GYRINOPSIS COWLITZI Dall 



Plate 18, figs. 4, 6 



Eocene of Washington, near the Cowlitz River, alt. 65 mm. U. S. Nat. Mus. 

 Cat. No. 333539. Collected by Ralph Arnold. 



ISCHNOCHITON CONSPICUA Carpenter 



Plate 18, fig. 7 



Ischnochiton (Stenoplax) conspictia Carpenter in Pilsbry, Man. Conch., vol. 

 14, p. 63, 1892. 

 Abnormal specimen with only six valves, collected by Hemphill. Photo- 

 graphed by Prof. F. W. Kelsey, San Diego, Calif. 



LACUNA SOLIDULA Loven 



Plate 34, fig. 2 



Lacuna solidula Loven, Index Moll. Scand., p. 21, 1846. 

 Lacuna carinata Gould, Proc. Boston Soc. Nat. Hist., vol. 3, p. 75, 1848. 

 Neah Bay, Wash. U. S. Nat. Mus. Cat. No. 15530. 



LACUNA UNIFASCIATA Carpenter 



Plate 31, fig. 4 



Lacuna unifasciata Carpenter, Proc. Zool. London, 1856, p. 205. 

 Monterey, Calif. U. S. Nat. Mus. Cat. No. 60675. 



The color markings are not indicated on the figure. 



LIMA HAMLINI Dall 



Plate 29, fig. 6 



Lima hamlmi Dall, Nautilus, vol. 14, p. 16, 1900. 



Pliocene clays of Los Angeles, Calif. Collection of R. E. C. Stearns. 



LIOCYMA ANIWANA Dall 



Plate 28, figs. 4, 6 ; plate 29, figs. 1, 2 



Liocyma anhcana Dall, Smithsonian Misc. Coll., vol. 50, No. 1727, p. 172, 

 July, 1907. 

 Dredged by the United States Bureau of Fisheries steamer Albatross, in Aniwa 

 Bay, Sakhalin Island, Japan, in 43 fathoms, muddy bottom, at station 5013. 



Related to L. heckii Dall, but coarser, more irregularly sculptured 

 and of a dark yellow brown color. Length of the shell 24 mm. U . S. 

 Nat. Mus. Cat. No. 110511. 



LIOMESUS BISTRIATUS Dall 



Plate 34, fig. 6 



Liomesus histriatus Dall, Smithsonian Misc. Coll., vol. 50, p. 165, 1907. 

 Off Hakodate, Japan, in 205 fathoms. U. S. Nat. Mus. Cat. No. 110500. 



