666 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



111634. Tritia bidentata (Emmons). Plesiotype. 



Miocene. Shiloh, New Jerse3^. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 106, pi. 19, 

 fig- 7- 



111632. Tritia trivittatoides Whitfield. Cotypes. 



Miocene. Shiloh, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 104, pi. 19, 

 figs. 1-3. 



1 16644. Tritia trivittatoides elongata Whitfield. Cotypes. 



Miocene. Shiloh, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 105, pi. 19, 

 figs. 4-6. 



27910. Triticites secalicus (Say). Plesiotypes. 



Upper Carboniferous. Platte River, near junction with 

 Missouri. 



Girty, Amer. Journ. Sci. (4), XVII, 1904, pp. 234-240, text figs. 



i-5- 



22920. Tritonidea ? huerfanensis Stanton. Holotype. 



Colorado (Cret.). Poison Canyon, Huerfano Park, Colo- 

 rado. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 152, pi. 31, 

 fig- 15. 



1 12055. Tritonidea pauper Dall. Cotypes. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 

 129, pi. 4, fig. 8c. 



22919. Tritonium kanabense Stanton. Holotype. 



Colorado (Cret.). Upper Kanab Valley, Utah. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 150, pi. 31, 

 fig. 12. 



164868. Trochita alaskana Dall. Cotypes. 



Miocene. Popof Island, Shumagins, Alaska. 



Dall, Harriman Alaska Exped., IV, 1904, pi. 10, figs. 2, 6. 



13310. Trochita costellata Conrad. Cotypes. 



Miocene. Gaviote Pass, California. 



Conrad, Rept. Expl. and Surv. R. R. Miss. Riv. to Pacific Ocean, 

 VII, 1857, p. 195, pi. 7, fig. 3. 



= Calyptrsea costellata. 



1 1 1654. Trochita perarmata (Conrad). Plesiotype. 



Miocene. Shiloh and Jericho, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 124, pi. 22, 

 figs. 15-19. 



156934. Trochocyathus californianus Vaughan. Cotypes. 



Eocene? Southern California. 



Vaughan, Mon. XXXIX, U. S. Geol. Surv., 1900, p. 96. 



