xii. STENEOSAURUS. 319 



STENEOSAURUS. 



Twenty vertebras have been obtained from the Oxford clay-pits 

 at Long-Marston, not in very good condition, but quite certainly 

 recognizable as of the true crocodilian type, and of the size and 

 general aspect of a large specimen of the steneosaur of Shotover. 

 Among them no cervicals appear, dorsals and caudals are numerous, 

 there appear to be some lumbars, and there is one sacral vertebra. 



The dorsals, distinctly recognizable as such, are eight in number, 

 mostly preserving at least a portion of the diapophyses, which run 

 out, at first broad and horizontal, and then bend downward to 

 a contracted termination, in this resembling the large species of 

 the Kimmeridge clay here named SteneoSaurus palpebrosus. The 

 height of the articulating faces of uncrushed specimens is equal 

 to the cross diameter, but inferior to the length. These surfaces 

 are moderately and equally concave. The greatest observed length 

 is 2*75 inches, breadth and height 2*2. The transverse processes 

 measure between the tips 9-5 inches. The body of the vertebra, 

 as seen from below, is somewhat hour-glass shaped, and smooth. 



The lumbar or posterior dorsal vertebrae, for it is not easy to 

 distinguish in these specimens, are of nearly the same size, and 

 equally concave on the faces as those mentioned above. There 

 appear to be four such. 



The sacral vertebra, posterior of the pair, has the articular face 

 wider than high, and the diapophyses are directed downward in 

 a remarkable manner so as to be inclined to one another 1 10. 



The anterior caudals are a little shorter, and more angular below, 

 and marked by small hsemapophysial cicatrices. The articulating 

 faces have the same degree of concavity. There are seven of these 

 vertebrae. The animal must have been 30 feet long. 



STREPTOSPONDYLUS CUVIERI AND MEGALOSAURUS 

 BUCKLANDI. 



One of the most remarkable of the many products of the clay 

 north of Oxford is a series of bones of different parts of a saurian 

 of moderate size, in the collection of Mr. James Parker. The 

 various bones found together consist of parts of the head, vertebrse 



