340 



TESTUDO NIOJ5RARENSIS. 



Testudo [Stylemys) niobrarewis. Leidy : Pr. Ac. Nat. 8c. 1 858, 29 ; Ext. Mam. 



Fauna Dakota and Nebraska, 1869, 26. See page 224. 

 Stylemys niobrarensis. Cope: Ext. Batracbia, &c. 1870, 121. 



Described page 225, under the name of Stylemys niobrarensis, and repre- 

 sented by Figs. 4 to 6, Plate; III, and Figs: 6, 8, Plate XIX. From the 

 Pliocene of the Niobrara River. 



Testudo oregonensis. 



Stylemys oregonensis. Leidy: Pr. Ac. Nat. Sc. 1871, 248. See page 22."i. 

 Noticed page 22G, under the name of Stylemys oregonensis, and repre- 

 sented by Fig. 10, Plate XV. From the Miocene of Oregon. I suspect 

 I have been too hasty in regarding this as a species distinct from Testudo 

 nebrascensis. 



Emydidye. 



EMYS. 



Emys wyomingensis. 



Leidy : Pr. Ac. Nat, Sc. 1869, 06 ; Hay den's Eep. Geol. Sur. Montana, 1872, 367. 

 Emys Stevensonianus. Leidy: Pr. Ac. Nat. Sc. 1S70, 5 ; Hayden's Rep. Geol. 

 Sur. Wyoming, 1871, 366. 



Emys Jeanesi. Leidy : Pr. Ac. Nat. Sc. 1870, 123 ; Hayden's Eep. Geol. Sur. 

 Wyoming, 1871, 306. 



Emys Haydeni. Leidy : Pr. Ac. Nat. Sc. 1870, 123 ; Hayden's Eep. Geol. Sur. 

 Wyoming, 1871, 366. 



The species described page 140, and represented by Figs. 2 to 6, Plate 

 IX, Figs. 1, 2, Plate X. From the Bridger Eocene of Wyoming. 



Emys petrolei. 



Leidy : Pr. Ac. Nat. Sc. 186S, 176. Cope : Est. Batracbia, &c. 1870, 128. 

 Species described page 260, and represented by Fig. 7, Plate IX. From 

 the Quaternary of Texas. 



HYBEMYS. 



Hybemys arenarius. 



Leidy : Pr. Ac. Nat. Sc. 1871, 103. 

 Noticed page 174, and represented by Fig. 9, Plale XV. From the 

 Bridger Eocene of Wyoming. 



