120 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



Subgenus Aclis s. s. 



7 ACLIS TURRITA Carpenter, 1864. 



Suppl. Rep. Brit. Assoc, p. 657 ; Proc. Cal. Acad. Sci., vol. 3, p. 219, 1SC>C> ; 

 Proc. U. S. Nat. Mus., vol. 39, pi. 62, fig. 4. 

 San Pedro, California. 



7 ACLIS OCCIDENTALS Hemphill, 1894. 



Zoe, vol. 4, No. 4, p. 395 ; Proc. U. S. Nat. Mus., vol. 39, pi. 62, fig. 2, 

 San Diego, California. 



Genus NISO Risso, 1826. 



NISO LOMANA Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 350, pi. 49, fig. 4. 

 Santa Rosa Island to Point Loma, California. 



NISO HIPOLITENSIS Bartsch, 1917. 



Proc. U. S. Nat. Mus., vol. 53, No. 2207, p. 350, pi. 49, fig. 5. 

 San Diego, California, to San Hipolito Point, Lower California. 



Family P YR AMIDE LLIDAE. 

 Genus PYRAMIDELLA Lamarck, 1799. 



Subgenus Longchaeus Morch, 1875. 

 LONGCHAEUS ADAMSI Carpenter, 1864. 



Suppl. Rep. Brit. Assoc, p. 546 ; U. S. Nat. Mus., Bull. 68, p. 21, pi. 1, figs. 6, 



6a, 1909. 

 Monterey, California, to Mazatlan, Mexico. 



LONGCHAEUS MEXICANUS Dall and Bartsch, 1909. 

 U. S. Nat. Mus., Bull. 68, p. 23, pi. 1, fig. 12. 

 San Diego, California, to Scannnon Lagoon, Lower California. 



LONGCHAEUS MAZATLANICUS Dall and Bartsch, 1909. 

 U. S. Nat. Mus., Bull. 68, p. 24, pi. 1, fig. 7. 

 San Diego, California, to Cape Tepoca, western Mexico. 



Subgenus Pharcideixa Dall, 1889. 



PHARCIDELLA ACHATES Gould, 1852. 



Boston Journ. Nat Hist., vol. 6, p. 385, pi. 14, fig. 13. 



? Santa Barbara, California (Jewett). Mazatlan, Mexico. 



Genus TURBONILLA Risso, 1826. 



TURBONILLA GILLI Dall and Bartsch, 1907. 



Proc U. S. Nat. Mus., vol. 33, p. 493, pi. 14, fig. 5. 

 Catalina Island to San Diego, California. 



TURBONILLA GILLI DELMONTENSIS Dall and Bartsch, 1907. 

 Proc U. S. Nat. Mus.. vol. 33, p. 494, pi. 14, fig. 7. 

 Monterey Bay, California. 



