TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 465 



14429. Orthoceras randolphensis Worthen? Plesiotype. 



Dower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1SS4, p. 265, pi. 18, fig. 17. 



2 17 13. Orthoceras rushensis McChesney? Plesiotype. 



Permian. Military Crossing of the Big Wichita, Baylor 

 County, Texas. 



White, Bull. No. 77, U. S. Geol. Surv., 1891, p. 22, pi. 2, figs. 

 14-16. 



28195. Orthoceras scalariformis Schuchert. Holotype. 



Trenton (Ord.). Head of Frobisher Bay, Baffin Land. 



Schuchert, Proc. U. S. Nat. Mus., XXII, 1900, p. 170, pi. 12, figs. 

 17, 18. 



46271. Orthodesma canaliculatum Ulrich. Cotypes. 



46272. Richmond (Ord.). Spring Valley, Minnesota; Waynes- 



ville, Ohio. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 520, pi. 37, figs. 7-14. 



46751. Orthodesma contractum (Hall). Plastotype. 



Richmond (Ord.). Waynesville, Ohio. 



Hall and Whitfield, Geol. Surv. Ohio, Pal. II, 1875, p. 96, pi. 2, 

 fig. 4. 



46273. Orthodesma minnesotense Ulrich. Holotype. 



Black River (Ord.). Minneapolis, Minnesota. 



Ulrich, Nineteenth Ann. Rept. Geol. and Nat. Hist. Surv. Minn., 

 1892, p. 288, fig. 14; Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1894, p. 517, pi. 37, figs. 12, 14. 



46274. Orthodesma parvum Ulrich. Holotype. 



Lorraine (Ord.). Cincinnati, Ohio. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 660, pi. 55, figs. 19, 20. 



46344. Orthodesma saffordi Ulrich. Holotype. 



Stones River (Ord.). Murfreesboro, Tennessee. 



Ulrich, Nineteenth Ann. Rept. Geol. and Nat. Hist. Surv. Minn., 

 1892, p. 229, fig. 15. 



=Whiteavesia saffordi. 



46275. Orthodesma subangulatum Ulrich. Cotypes. 



Richmond (Ord.). Richmond, Indiana. 



Ulrich, Geol. Surv. Ohio, VII, p. 660, pi. 55, figs. 21-23. 



46276. Orthodesma subnasutum (Meek and Worthen). 



Plesiotype. 

 Trenton (Ord.). Near Dixon, Illinois. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 518, pi. 36, figs. 23, 24. 



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