28 PKOCEEDINGS OF THE NATIONAL MUSEUM. vol.60. 



EXPLANATION OF PLATES. 



Plate 1. 



Palate of Saniica emklens Leidy. Cat. No. 2185, U.S.N. M. Type. Twice nat- 

 ural size. Viewed from above. Shown as found articulated in the matrix, mx, 

 maxillaries ; pi, palatines ; pt, pterygoids ; v. vomers. 



Plate 2. 



Fig. 1. Cervical vertebrae of Sanin-a ensidens Leidy. Cat. No. 2185, U.S.N.M. 

 Type. Natural size. Viewed from the left side. Shown as found articulated ex- 

 cept that the atlas has been removed. 



Fig. 2. Dorsal vertebrae and other bones of Saniwa ensidens Leidy. Cat. No. 

 2185, U.S.N.M. Type. About natural size. Shown as found in the matrix, a, 

 four anterior dorsal vertebrae, ventral view ; b, left coracoid ; c, right humerus ; 

 d, distal end of femur; e, proximal half of tibia. 



Plate 3. 



Fig. 1. Caudal vertebrae of Saniwa oisidens Leidy. Cat. No. 2185, U.S.N.M. 

 Type. About natural size. Shown as found in the matrix. 



Fig. 2. — Dorsal vertebrae and ribs of Saniica ensidens Leidy. Cat. No. 2185, 

 U. S. N. M. Type. About natural size. The two vertebrae on the right with ven- 

 tral surfaces exposed are the ones figured by Leidy. a, distal end of humerus. 



