TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 457 



45948. Ophiletina sublaxa sequens Ulrich and Scofielcl. Holotype. 

 Trenton (Ord.). Wykoff, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., III, Pt. II, 1897, p. 103 1. 



7820. Ophioderma ? bridgerensis Meek. Holotype. 



Cretaceous. Fonr miles north of Fort Ellis, Montana. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1S73, p. 475, and 

 footnote (also calls it Ophiolepis bridgeren.sis ) . — White, 

 Twelfth Ann. Rept. U. S. Geol. Surv. Terr., Pt. I, 1883, p. 8, 

 pi. 12, fig. 12a. 



= Ophioglypha bridgerensis. 



7820. Ophioglypha bridgerensis (Meek). Holotype. 



Cretaceous. Four miles north of Fort Ellis, Montana. 



Clark, Bull. No. 97, U. S. Geol. Surv., 1893, p. 29, pi. 4, figs. 2a-b. 



See Ophioderma ? bridgerensis. 



21884. Ophioglypha texana Clark. Cotypes. 



Washita (L,ower Cret.). Six miles north of Fort Worth, 

 Texas. 



Clark, Bull. No. 97, U. S. Geol. Surv., 1893, p. 30, pi. 4, figs. ia-c. 



25490. Ophryastes grandis Scudder. Holotype. 



Older Tertiary. Roan Mountains, western Colorado. 



Scudder, Mon. XXI, U. S. Geol. Surv., 1893, p. 37, pi. 8, fig. 7. 



25488. Ophryastes petrarum Scudder. Holotype. 



Older Tertiary. Roan Mountains, western Colorado. 



Scudder, Mon. XXI, U. S. Geol. Surv., 1S93, p. 37, pi. 8, fig. 10. 



25491. Ophryastites cinereus Scudder. Holotype. 



Florissant (Oligocene). Florissant, Colorado. 



Scudder, Mon. XXI, U. S. Geol. Surv., 1893, p. 39, pi. 8, fig. 12. 



25493. Ophryastites digressus Scudder. Holotype. 



Older Tertiary. White River, western Colorado. 



Scudder, Mon. XXI, U. S. Geol. Surv., 1893, p. 89, pi. 9, fig. 2. 



25492. Ophryastites dispertitus Scudder. Holotype. 



Older Tertiary. Roan Mountains, western Colorado. 

 Scudder, Mon. XXI, U. S. Geol. Surv., 1893, p. 40, pi. 9, fig. 3. 



23055. Opis californica Stanton. Cotypes. 



Knoxville (L,ower Cret.). Stephenson, Tehama County, 

 California. 



Stanton, Bull. No. 133, U. S. Geol. Surv., 1895 (Feb., 1896), p. 5S, 

 pi. 7, figs. 1-4. 



46262. Opisthoptera alternata Ulrich. Cot} T pes. 



Richmond (Ord.). Waynesville, Ohio. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 644, 645, text fig. e; pi. 49; 

 figs. 9, 11. 



