436 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



43781. Nicholsonella cumulata Ulrich. Coty pes and figured 



sections. 

 Richmond (Ord.). Wilmington, Illinois. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 423, pi. 33, figs. 6b, 6c. 



43550. Nicholsonella laminata Ulrich. Holotype and figured 



sections. 

 Black River (Ord.). Minneapolis, Minnesota. 



Ulrich, Geol. and Nat. Surv. Minn., Final Rept., Ill, Pt. I, 1893, 

 p. 315, pi. 21, figs. 15-19, 21. 



43392. Nicholsonella ponderosa Ulrich. Holotype and figured 



sections. 

 Stones River (Ord.). Dixon, Illinois. 



Ulrich, Geol. Surv. 111., 1890, p. 422, pi. 34, figs. 5-56.. 



43551' 



43552. 



41913- 



113282. 



112197. 



9887. 



21 IO3. 



Nicholsonella ponderosa Ulrich? Plesiotypes. 



Stones River (Ord.). Minneapolis, Minnesota. 



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



1893, p. 316, pi. 21, figs. 13, 14, 20, 22. 



Nicholsonella pulchra Ulrich. Cotypes and figured sections. 

 Stones River (Ord.). Murfreesboro, Tennessee. 



Ulrich, Geol. and Nat. Hist. Surv., Final Rept., Ill, Pt. I, 1893, 

 p. 314, pi. 21, figs. 8-12. 



Nileus vigilans (Meek and Worthen). Plesiotypes. 



Trenton (Ord.). Pleasant Grove, Minnesota. 



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



1894, p. 712, figs. 17-19. 



Niso lineata (Conrad). Plesiotype. 



Miocene. Cape Fear River, North Carolina. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, 

 p. 245, pi. 20, fig. 4. 



Niso willcoxiana Dall. Cotypes. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 160, 

 pi. figs. 5, 5b. 



Nodosaria texana Conrad. Cotypes. 



Washita (Lower Cret.). Between El Paso and Frontera, 

 Texas. 



Conrad. Rept. U. S. Mexican Bond, Surv., Emory, I, Pt. II, 1857, 

 p. 159, pi. 14, figs. 4a-c. 



Nostoceras helicinum (Shumard). Plesiotypes. 



Navarro (Cret.). Chatfield, Navarro County, Texas. 

 Hyatt, Proc. Amer. Philos. Soc, XXXII, 1894, p. 573. 



23280. Nostoceras stantoni aberrans Hyatt. Cotypes. 



Navarro (Cret.). Chatfield, Navarro County, Texas. 

 Hyatt, Proc. Amer. Philos. Soc, XXXII, 1894, p. 572. 



