NOKTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 143 
CERITHIOPSIS STEJNEGERI Dali, 1884. 
Proc. U. S. Nat. Mus., vol. 7, p. 345, pi. 2, fig. 4 ; vol. 40, p. 342, pi. 40, fig. 3. 
Commander, Aleutian, and Sliumagin Islands, Alaska. 
CERITHIOPSIS STEJNEGERI DINA Bartscli, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 343, pi. 40, fig. 7. 
Sitka, Alaska. 
CERITHIOPSIS GRIPPI Bartsch, 1917. 
Proc. U. S. Nat. Mus., vol. 56, p 669, pi. 46, fig. 12. 
San Diego, California. 
CERITHIOPSIS DIOMEDAE Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 359, pi. 37, fig. 5. 
San Diego, California, and Todos Santos Bay. 
CERITHIOPSIS PARAMOEA Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 356, pi. 38, fig. 4. 
Neali Bay, Washington. 
CERITHIOPSIS BAKERI Bartsch, 1917. 
Proc. U. S. Nat. Mus., vol. 56, p. 670, pi. 46, fig. 10. 
South Coronado Island, Lower California. 
CERITHIOPSIS CHARLOTTENSIS Bartsch, 1917. 
Proc. U. S. Nat. Mus., vol. 56, p. 668, pi. 46, figs. 9, 11. 
Queen Charlotte Islands, British Columbia, to Puget Sound. 
CERITHIOPSIS MONTEREYENSIS Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 363, pi. 41, fig. 5. 
Little River, Mendocino County, to Monterey, California. 
Section CERITHIOPSIDA Bartsch, 1911. 
CERITHIOPSIS DIEGENSIS Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 347, pi. 40, fig. 4. 
San Pedro to San Clemente Island, California, and South Coronado Island. 
CERITHIOPSIS ROWELLI Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 348, pi. 40, fig. 6. 
California. 
CERITHIOPSIS GLORIOSA Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p 353, pi 36, fig. 7. 
Oft San Diego, California, in 15 fathoms. (?t ^ ^ 
CERITHIOPSIS ANTEMUNDA Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 359, pi. 36, fig. 4. 
San Pedro to San Diego, California. 
Section CERITHIOPSIDELLA Bartsch, 1911. 
CERITHIOPSIS COSMIA Bartsch, 1907. 
Proc. U. S. Nat. Mus., vol. 33, No. 1564, p. 180 ; vol. 40, pi. 38, fig. 7. 
Monterey, California, to San Bartolome Bay, Lower California. 
CERITHIOPSIS ANTEFILOSA Bartsch, 1911. 
Proc. U. S. Nat. Mus., vol. 40, p. 349, pi. 40, fig. 9. 
San Pedro to San Diego, California. S, fi- 
