345 



Saniwa major. 



Described page 182, and represented by Fig. 14, Plate XV, Figs. 36, 37, 

 Plate XXVII. From the Bridger Eocene of Wyoming. 



CHAMELEO. 



Chameleo pristinus > 



Leidy : Pr. Ac. Nat. Sc. 1872, 277. 



Described page 184, and represented by Figs^ 38, 39, Plate XXVII. 

 From the Bridger Eocene of Wyoming^ 



QLYPTOSAURUS. 



Marsh : Am. Jour. Sc. 1871 ; Pr. Ac. Nat. Sc. 1871, 105. 



Glyptosaurus ? 



Noticed page 182, and represented by Fig. 13 to 17, Plate XVI. From 

 the Bridger Eocene of Wyoming. 



TYLOSTEUS. 



Tylosteus ornatus. 



Leidy: Pr. Ac. Nat. Sc. 1872, 40. 



Noticed page 285, and represented by Figs. 14, Plate XIX. From the 



Upper Missouri ; probably Cretaceous. 



Sauropterygia. 

 NOTHOSAURUS. 



NOTHOSAURUS OCCIDUUS. 



Nothosaurops occiduus. Leidy : Pr. Ac. Nat. Sc. 1870, 74. 



Noticed page 287, and represented by Figs. 11 to 13, Plate XV. From 

 the Cretaceous 1 of Moreau River, Dakota. 



OLTGOSIMUS. 



Oligos'imus GRANDyEVUS. 



Leidy : Pr. Ac. Nat. Sc. 1872, 39. 



Described page 286, and represented by Figs. 18, 19, Plate XVI. From 

 the Cretaceous (?) of Wyoming, 

 44 g 



