7G BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



33956. Athyris vittata Hall var. Plesiotype. 



OuraN' (Upper Dev.). Engineer Mountain, Colorado. 



Girty, Twentieth Ann. Rept. U. S. GeoL Surv., Pt. II, 1900, p. 47, 

 pi. 5, fig. 12. 



34127. Athyris vittata triplicata Girt3^ Holotype. 



Three Forks (Dev.j. Soda Butte Creek, Yellowstone 

 National Park. 



Girty, Mon. XXXII, Pt. II. U. S. Geol. vSurv., 1S99, p. 504, pi. 66, 

 figs. 4a, 4b, 4c. 



23075. Atresias liratus Gabb. Plesiotypes. 



Knoxville ( Lower Cret. ) . One mile northwe.st of Palmer's 

 Ranch, Lake County, California. 



vStanton, Bull. No. 133, U. vS. Geol. vSurv., 1S95 (Feb., 1896), p. 

 68, pi. II, fig. 6. 



135834. Atrina (argentea var.?) chipolana Dall. Cotypes. 



Oligocene. Santa Ro.sa Comity, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 189S, p. 662. 



i4598<S. Atrina harrisii Dall. Holotype. 



Miocene. Jones Wharf, Patuxent River, ^Maryland. 



Dall, Trans. Wagner Free Inst. vSci. Phila. ,111, Pt. IV, 1S98, p. 663, 

 pi. 29, fig. II. 



137831. Atrina jacksoniana Dall. Cotypes. 



136645. Eocene. Garlands Creek, Clarke County, and Jack.son, 



Missis.sippi. 

 Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt.IV, 189S, p. 662. 



Atrypa (n. s.?) Owen, iS52 = Pentamerella dubia Hall. 



1166. Atrypa aspera (Schlotheim). Ple.siot3'pes. 



Base uf Upper Devonian. Anderson River, Mackenzie 

 River Basin, Canada. 

 ]Meek, Trans. Chicago Acad. Sci. I, 1S68, p. 96, pi. 13, fig. 12. 



633. Atrypa aspera (Schlotheim). Plesiotypes. 



Ujiper Devonian. Neils Valley, east of Eureka, Nevada. 



Meek, Rept. Expl. Great Basin of Utah, Sinip.son, 1876, p. 348, 

 J)!. I, figs. 2-2b. 



17928. Atrypa comis (^weii. Holotype. 



Middle Devonian. Near Davenport, Iowa. 



Owen, Rept. Geol. vSurv. Wis., Iowa, and Minn., 1S52, p. 5S3, 

 Uih. Ill A, fig. 4. 



= Gypidula comis. 



13848. Atrypa desquamata vSowerby. Ple.siot>-pe. 



Middle Devonian. Jvureka District, Nevada. 



Walcott, :\I()n. VIII, U. S. Geol. Surv., 1884, p. 150, pi. 14, figs. 

 4- 4a. 



= Atrypa missouriensis. 



See Atrypa reticularis Meek, 1877. 



