Fig. 



TAB. XXIII. 

 Ichthyosaurus campylodon, nat. size. 



1. Outer side of the dentary bone of the lower jaw. 

 1*. Form of the section of the fractured end. 



2. Inner side of a portion of the right ramus of the same lower jaw, formed by the 



dentary piece, 32, with the terminations of the splenial pieces, 31. 



2"'^ Form of the section of the hinder fractured end. 



2**. Form of the section of the fore-part of the same portion. 



3. Fragment of a portion of the right premandibular bone. 



4. One of the teeth, from the base of which part of the thick cement has been 



removed. 



From the Grey-chalk of the Round-down Tunnel, near Dover. In the 

 Collection of H. W. Taylor, Esq., of Brixton Hill. 



