456 



BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



H43°5- 



107089. 



1 12092. 



45943- 

 45944- 



Olivella eutacta Dall. Holotype. 



Oligocene. One mile below Baileys Ferry, Chipola River, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. VI, 1903, 

 pi. 58, fig. 3. 



Olivella indivisa Guppy. Holotype. 



Oligocene. Vendryes, Jamaica, West Indies. 



Guppy, Proc. U. S. Nat. Mus., XIX, 1896, p. 308, pi. 30, fig. 10. 



Olivella lata Dall. Cotypes. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1S90, p. 45, 

 pi. 4, fig. 8b. 



Omospira alexandra (Billings). Plesiotypes. 



Black River (Ord. ). Curdsville, Mercer County, Ken- 

 tucky. 

 Stones River (Ord.). Dixon, Illinois. 



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

 Rept., Ill, Pt. II, 1897, p. 946, pi. 70, figs. 66, 67. 



Omospira laticincta Ulrich. Holotype. 



Black River (Ord.). Near Lebanon, Tennessee. 



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

 1897, p. 945, pi. 70, figs. 64, 65. 



Oncoceras arcticum Schuchert. Holotype. 



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



Schuchert, Proc. U. S. Nat. Mus., XXII, 1900, p. 172, pi. 14, figs. 

 4-7- 



Oncoceras tumidum Schuchert. Cotypes. 



Trenton (Ord.)- Head of Frobisher Baj', Baffin Land. 

 Schuchert, Proc. U. S. Nat. Mus, XXII, 1900, p. 172, pi. 14, figs. 

 i-3- 



112190. Opalia de-bouryi Dall. Holotype. 



Pliocene. Caloosahatchie River, Florida. 



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

 p. 158; Pt. II, 1892, p. 244, pi. 20, fig. 13. 



45946. Ophiletina angularis Ulrich and Scofield. Holotype. 



Black River (Ord.). Near Cannon Falls, Minnesota. 



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

 Rept., Ill, Pt. II, 1897, p. 1031, pi. 74, figs. 43-46. 



45945- 



28196. 



28120. 



45947 



46070. 



Ophiletina sublaxa Ulrich and Scofield. Cotype. 



Stones River (Ord.). Dixon, Illinois. 



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

 Rept., Ill, Pt. II, 1897, p. 1030, pi. 74, figs. 40, 41. 



Ophiletina sublaxa depressa Ulrich. Holotype. 



Stones River (Ord.). Murfreesboro, Tennessee. 



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

 1S97, p. 1030, pi. 74, fig. 42. 



