190 



THE BATH OOLITE PERIOD. 



CHAP. 



belonging to two species. The upper figures (i, 2, 3) represent 

 a more slender form, the lower figures (7, 8, 9) belong to a stouter 



Diagram XLVII. Dorsal vertebrae of Teleosaurus. Scale one-fifth of nature. 



I. Seen from above, and looking from the head. 2. Seen from below, looking 



from the head. 3. In front, as seen from the head. 



type ; and this distinction is observed in other parts of the column. 

 Both of the articular faces are a little concave, the anterior face 



Diagram XL VIII. Anterior sacral vertebra of Teleosaurus, seen in front, looking 

 from the head. Scale four-tenths of nature. 



least so. The dorsal vertebra, as represented in Diagram XLVII., 



