NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 69 
Genus IRENOSYRINX Dali, 1889. 
IRENOSYRINX PACIFICA Dali, 1908. 
Bull. IMiis. Cuiiii). Zool., vol. 43, No. G, p. 270, pi. 12, fig. 3. 
Soutliwest of Sitka, Alaska, in 1,5G9 fathoms. 
7 IRENOSYRINX CREBRISTRIATA Dali, 1908. 
Bull. Mus. Comp. Zool., vol. 43, p. 272, pi. 13, fig. 10. 
Southwest of Sitka, Alaska, in 1,5G9 fathoms. 
Genus CYMATOSYRINX Dali, 1889. 
Subgenus Elaeocyma Dali, 1917. 
ELAEOCYMA JOHNSONI Arnold, 1903. 
l»a!. San Bedro, p. 20G, pi. 8, fig. 17. 
San Pedro, California. Pleistocene. 
ELAEOCYMA EMPYROSIA Dali, 1899. 
Nautilus, vol. 12, p. 127 ; Proc. U. S. Nat. Mus., vol. 5G, pi. 4, fig. 1. 
San I*edro to San Diego, California. 
ELAEOCYMA HEMPHILLI Stearns, 1871. 
Proc. Cal. Acad. Sci., vol, 5, p. SO, pi. 1, fig. 3. 
Santa Barbara to the Gulf of California. 
ELAEOCYMA HALOCYDNE Dali, 1919. 
Proc. U. S. Nat. Mus., vol. 5G, p. 11, pi. 4, fig. 4. 
San Pedro and the Santa Barbara Islands, California. 
Genus CLATHRODRILLIA Dali, 1918. 
CLATHRODRILLIA RENAUDI Arnold, 1903. 
I’al. San Pedro, p. 208, pi. 8, fig. 5. 
San Pedro, California. Also Pleistocene. 
Section CARINODRILLIA Dali, 1311. 
CLATHRODRILLIA, species. 
Off Santa Rosa Island, California, in 53 fathoms. 
Subgenus Suavodeillia Dali, 1918. 
SUAVODRILLIA KENNICOTTII Dali, 1871. (Plate 11, fig. 7.) 
Amer. Journ. Conch., vol. 7, p. 102, pi. IG, fig. 2. 
Bering Strait south to the Aleutian Islands. 
? SUAVODRILLIA WILLETTI Dali, 1919. 
Proc. U. S. Nat. Mus., vol. 5G, p. 29. 
Forrester Island, Alaska. 
Subgenus Moniliopsis Conrad, 1805. 
MONILIOPSIS GRIPPI Dali, 1919. 
Proc. U. S. Nat. Mus., vol. 5G, p. 27, pi. 8, fig. 2. 
San Diego, California. 
