126 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



PYRGISCUS WELDI Dal! and Bartsch, 1909. 



U. S. Nat. Mas., Bull. 68, p. 86, pi. 8, fig. 11. 

 Off Point Ferniin, California. 



PYRGISCUS NEREIA Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 86, pi. 8, fig. 1. 

 San Pedro to San Diego, California. 



PYRGISCUS ANTESTRIATUS Dall and Bartsch, 1907. 



Proc. U. S. Nat. Mus., vol. 33, p. 506, pi. 45, fig. 5. 

 Esteros Bay to San Diego, California. 



PYRGISCUS ANTEMUNDUS Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 88, pi. 8, fig. 15. 



Santa Rosa and Santa Catalina Islands, California. 



PYRGISCUS TENUICULUS Gould, 1853. 



Boston Journ. Nat. Hist., vol. 6, p. 383, pi. 14, fig. 15. 

 Monterey, California, to Point Abreojos, Lower California. 



PYRGISCUS VIRGO Carpenter, 1865. 



Ann. Mag. Nat. Hist., ser. 3, vol. 15, p. 396; U. S. Nat. Mus., Bull. 68, pi. 8, 



fig. 4. 

 Santa Barbara, California. 



PYRGISCUS CALLIMENE Bartsch, 1912. 



Proc. U. S. Nat. Mus., vol. 42, No. 1903, p. 271, pi. 36, fig. 7. 

 San Diego, California. 



PYRGISCUS CANFIELDI Dall and Bartsch, 1907. 



Proc. U. S. Nat. Mus., vol. 33, p. 504, pi. 47, fig. 4. 

 Monterey Bay, California. 



PYRGISCUS ALMO Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 95, pi. 9, fig. 8. 

 San Diego, California. 



PYRGISCUS GRIPPI Bartsch, 1912. 



Proc. U. S. Nat. Mus., vol. 42, p. 270, pi. 36, fig. 9. 

 San Diego, California. 



PYRGISCUS EUCOSMOBASIS Dall and Bartsch, 1907. 



Proc. U. S. Nat. Mus., vol. 33, p. 507, pi. 45, fig. 8. 

 San Luis Obispo to San Diego, California. 



PYRGISCUS AURICOMA Dall and Bartsch, 1903. 



Mem. Cal. Acad. Sci., vol. 3, p. 274, pi. 1, fig. 4. 



San Pedro, California, and Scammon Lagoon, Lower California. 



PYRGISCUS CASTANEUS Keep, 1888. 



West Coast Shells, p. 52, fig. 33 ; U. S. Nat. Mus., Bull. 68, pi. 9, fig. 1. 

 San Pedro to San Diego, California. 



PYRGISCUS CASTANELLUS Dall, 1908. 



Nautilus, vol. 22, p. 131 ; Proc. U. S. Nat. Mus., p. 102, pi. 9, fig. 7, 1909. 

 Monterey, California. 



PYRGISCUS WICKHAMI Dall and Bartsch, 1909. 



U. S. Nat. Mus., Bull. 68, p. 106, pi. 10, fig. 9. 

 Catalina Island, California. 



