NOETHWEST COAST MAEINE SHELLBEAEIl^G MOLLUSKS. 181 
MARGARITES HYPOLISPUS Dali, 1919. 
Proc. U. S. Nat. Mus., vol. 56, p. 367. 
Arctic Ocean north of Bering Strait. 
MARGARITES (VAHLII. van?) TENUISCULPTUS Carpenter, 1865. , J H if., 
Proc. Acad. Nat. Sci. Phila., p. 61. 
Neah Bay and Puget Sound. (Plover Bay, Krause?) 
MARGARITES UMBILICALIS Broderip and Sowerby, 1829. (Plate 18, figs. 7, 8.) 
Mai. and Couch. Mag., vol. 1, p. 26 ; Conch. 111., Margarita, fig. 5. 
Arctic Coast. Circumboreal. 
Genus MARGARITOPSIS Thiele, 1906. 
MARGARITOPSIS FRIELEI Krause, 1886. 
Arch. f. Naturg., vol. 51, heft 3, p. 263, pi. 16, figs. 2a-c; Nachr. Mai. Ges. 
1906, p. 15. 
Bering Strait region. 
Genus GIBBULA Risso, 1826. 
GIBBULA ADRIATICA (Philippi) CANFIELDI Dali, 1871. 
Enum. Moll. Sicil., vol. 2, p. 153 ; Amer. Journ. Conch., vol. 7, p. 129 ; Proc. 
U. S. Nat. Mus., vol. 24, pi. 39, fig. 2. 
Monterey (Dali) ; San Pedro (Johnstone) ; San Diego (Bryant). Also 
Pleistocene and Mediterranean. 
Family VITRINELLIDAE. 
Genus VITRINELLA C. B. Adams, 1850. 
VITRINELLA WILLIAMSONI Dali, 1892. 
Proc. U. S. Nat. Mus., vol. 15, p. 202, pi. 21, figs. 2, 3. 
San Pedro, California. 
VITRINELLA OLDROYDI Bartsch, 1907. 
Proc. U. S. Nat. Mus., vol. 32, No. 1520, p. 167, fig. 1. 
San Pedro, California, to Point Abreojos, Lower California. 
VITRINELLA ESHNAURI Bartsch, 1907. 
Proc. U. S. Nat. Mus., vol. 32, No. 1520, p. 168, fig. 2. 
San Pedro, California. 
VITRINELLA ALASKENSIS Bartsch, 1907. 
Proc. U. S. Nat. Mus., vol. 32, p. 168, fig. 3. 
Unalaska, Aleutian Islands. 
Section DOCOMPHALA Bartsch, 1907. 
VITRINELLA STEARNSII Bartsch, 1907. 
Proc. U. S. Nat. Mus., vol. 32, p. 169, fig. 4. 
Monterey,- California. 
VITRINELLA BERRYI Bartsch, 1907. 
Proc. U. S. Nat. Mus., vol. 32, p. 170, fig. 5. 
Monterey to San Diego, California. 
