574 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



8853. Rhynchonella gnathophora Meek. Plesiotypes. 



28954. Jurassic. Northwestern Colorado and Yellowstone 



National Park. 



Stanton, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 609, 

 pi. 72, figs. 1-4. 



109298. Rhynchonella holmesii Dall. Cotypes. 



Eocene. City quarry, Wilmington, North Carolina. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. VI, 1903, p. 

 1536, pi. 58, figs. 10, 11, 12. 



13852. Rhynchonella horsfordi Hall. Plesiotype. 



Middle Devonian. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 152, pi. 14, fig. 3; 

 pi. 15, fig. 6. 



= Camarotoechia horsfordi. 



34634. Rhynchonella (?) litchfieldensis Schuchert. Holotype. 



Cobleskill (Sil.). Wheelock's farm, Litchfield, Herkimer 

 County, New York. 

 Schuchert, Amer. Geol., XXXI, 1903, p. 167, text-figures. 



8516. Rhynchonella metallica White. Cotypes. 



Upper Carboniferous. Old Potosi mine, Lmcoln County, 

 Nevada. 



White, Prelim. Rept. U. S. Geogr. Surv. W. 100th Merid., 8 vo., 

 1874, p. 20; Rept. U. S. Geogr. Surv. W. 100th Merid., IV, 

 Pt. I, 1877, P- I2 9> pl- IO > fig s - ioa-iod. 



= Rhynchonella (Uncinulus?) metallica. 



20131. Rhynchonella myrina Hall and Whitfield. Cotypes. 



Jurassic. Flaming Gorge, Uinta Range, Utah. 



Hall and Whitfield, Rept. U. S. Geol. Expl. 40th Par., iv, Pt. II, 

 1877, p. 284, pi. 7, figs. 1-5. 



12280. Rhynchonella myrina Hall and Whitfield. Plesiotypes. 



12306. Jurassic. Red Canyon Creek, Black Hills, South Dakota. 



Whitfield, Rept. Geol. and Resources Black Hills Dakota, 1880, 

 p- 347, pl- 3. fi g s - 6 » 7- 



13853. Rhynchonella ( Leiorhynchus ) nevadensis Walcott. 



Cotype. 

 Upper Devonian. Rescue Hill, Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 157, "pl. 14, figs. 

 9-9b. 



= Liorhynehus nevadense. 



13855. Rhynchonella ? occidens Walcott. Cotype. 



Middle Devonian. Combs Peak, Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 152, pl. 15, figs. 

 3-3^. 



