HYPSODON ETC. FROM BRITISH CRETACEOUS STRATA. 523 



Ichtkyodectes minor, Egerton. 



Fig. 14. Outer surface of left ramus of mandible. This is the left ramus of the 

 specimen figured by Dixon in his ' Geology of Sussex,' pi. 32*. fig. 9 : 

 den, dentary; art, articular (the articular surface for the condyle 

 of the quadrate is immediately below the letters art). 



Ichtkyodectes elegans, n. sp. 



Fig. 15. Inner surface of dentary bone of left ramus of mandible. Natural size. 

 The teeth have been drawn from the counterpart of the specimen. 



