TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 299 



12369. Gryphaea planoconvexa Whitfield. Plesiotypes. 



28931. Jurassic. Yellowstone National Park. 



Stanton, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 611, 

 pi. 72, figs. 9, 10. 



328. Gryphaea vesicularis Lamarck? Plesiotypes, 



Fort Pierre (Cret.). Cheyenne River, near Black Hills, 

 South Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 20, pi. 11, 

 figs. 2a-c; pi. 16, figs. 8a, 8b. 



2340. Gryphaea vesicularis Lamarck. Plesiotypes. 



Cretaceous. Near Freehold, New Jersey. 



White, Fourth Ann. Rept. U. S. Geol. Surv., 1884, p. 303, pi. 48, 

 figs. 1-5. 



28775. Gryphaea wardi Hill and Vaughan. Cotypes. 



Glen Rose (Lower Cret.). Between Bee Creek and Peder- 

 nalis River, Travis County, Texas. 



Hill and Vaughan, Bull. No. 151, U. S. Geol. Surv., 1898, p. 49, 

 pi. 1, figs. 1-16. 



28782 Gryphaea washitaensis Hill. Plesiotypes. 



to Washita (Lower Cret.). Near Denison and Austin, 



28785. Texas. 



Hill and Vaughan, Bull. No. 151, U. S. Geol. Surv., 1898, p. 59, 

 pi. 19, figs. 3-5, 7-9, 11-18; pi. 20, figs. 1, 2, 4; pi. 23, figs. 1-3. 



125 12. Gymnotoceras blakei (Gabb.). Plesiotypes. 



Triassic. Cottonwood Canyon, West Humboldt Range, 

 Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 113, 

 pi. 10, figs. 10a, b; pi. 11, fig. 6a. 



12526. Gymnotoceras rotelliforme Meek. Cotypes. 



Triassic. Buena Vista Canyon, West Humboldt Range, 

 Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. in, 

 pi. 10, figs. 9, 9a. 



Gypidula comis (Owen). See Pentamerus (n. s. ?) Owen. 



5896. Gyroceras logani Meek. Holotype. 



Base of Devonian. Forty miles below Fort Good Hope, 

 Mackenzie River, Canada. 



Meek, Trans. Chicago Acad. Sci., I, 1868, p. no, pi. 15, figs. 2a-c. 



12459. Gyrodes conradi Meek. Holotype and plesiotype. 



22910. Fort Benton? or Colorado (Cret.). Cheyenne River, South 



Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 310, text figs. 

 33-36. — Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 136, 

 pi. 29, figs. 7, 8. 



