NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 1 1 T 

 NITIDOSCALA ZEPHYRIA Dall, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2217, p. 485. 

 Sun Diego, California. 



Family JANTHINIDAE. 

 Genus JANTHINA Bolten, 1798. 



JANTHINA GLOBOSA Swainson, 1822. 



Zool. 111., ser. 1, vol. 2, pi. 85. 



Puget Sound to Gulf of California. Pelagic. 



JANTHINA CERULEATA Reeve, 1858. 

 Conch. Icon., Janthina, fig. 7. 

 San Diego, California. Pelagic. 



JANTHINA EXIGUA Lamarck, 1822. 



Anira. Sans. Vert, ser. 1, vol. 6, p. 206.— Tryon, Man., vol. 9, p. 37, pi. 10, 



fig. 17. 

 Catalina Island, California, to West Mexico. Pelagic. 



Superfamily GYMNOGLOSSA. 



Family MELANELLIDAE. 



Genus MELANELLA Bowdich, 1822. 



Section MELANELLA s. s. 

 MELANELLA MONTEREYENSIS Eartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 320, pi. 39, fig. 6. 

 Trinidad to Monterey Bay, California. 



MELANELLA PENINSULARIS Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 320, pi. 39, fig. 4. 

 San Diego, California, to Magdalena Bay, Lower California. 



MELANELLA LASTRA Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 321, pi. 40, fig. 3. 

 San Pedro, California, to Magdalena Bay, Lower California. 



MELANELLA THERSITES Carpenter, 1864. 



Suppl. Rep. Brit. Assoc, p. 659; Ann. Mag. Nat. Hist., ser. 3, vol. 15, p. 396; 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, pi. 41, figs. 1, 2, 3. 

 Monterey, California, to San Geronimo Island, Lower California. 



MELANELLA COLUMBIANA Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 324, pi. 41, fig. 5. 

 Baranoff Island, Alaska, to Departure Bay, British Columbia. 



MELANELLA COMOXENSIS Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 325, pi. 41, fig. 4. 

 Comox, Vancouver Island, British Columbia. 



