398 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



2138. Melania nebrascensis Meek and Hayden. Holotj^pe and 



2139. paratypes. 

 2160. Laramie (Cret.). Fort Clark, and mouth of Yellowstone 



River, North Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 124. 

 = Goniobasis nebrascensis. 



685. Melania ? nitidula Meek. Cotypes. 



Bear River (Cret.). Bear River, near mouth of Sulphur 

 Creek, Wyoming. 



Meek Proc. Acad. Nat. Sci. Phila., for i860 p. 314. 



= Limnsea nitidula. 



2184. Melania omitta Meek and Hayden. Holotype. 



Laramie (Cret.). Mouth of Judith River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1857, p. 136. 

 = Goniobasis omitta. 



1 2541. Melania ? sculptilis Meek. Cotypes. 



Tertiary. Kawsoh Mountains, Nevada.. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 195, 

 pi. 17, fig. S. 



691. Melania simpsoni Meek. Cotype. 



Eocene. Hams Fork, northeast of Fort Bridger, Wyoming. 



Meek Proc. Acad. Nat. Sci. Phila., for i860, p. 313. 



2145. Melania sublaevis Meek and Hayden. Holotype and 



paratype. 

 Laramie (Cret.). Mouth of Judith River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1857, p. 136. 

 = Goniobasis sublaevis. 



1 255 1. Melania ? subsculptilis Meek. Cotypes. 



Tertiary. Kawsoh Mountains, Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 196, 

 pi. 17, fig. 9. 



19180. Melania subtortuosa Meek and Hayden. Holotype and 



paratypes. 

 Laramie (Cret.). Mouth of Judith River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1857, p. 136. 

 = Goniobasis ? subtortuosa. 



2141. Melania tenuicarinata Meek and Hayden. Holotype and 



paratypes. 

 Fort Union (Cret.). Fort Union, North Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1857, p. 137. 

 = Goniobasis tenuicarinata. 



