84 WILLISTON: KANSAS MOSASAURS. 



preparation of a monograph of the Kansas species of these animals, 

 in which a fuller description will properly find a place. 



In the skull, the palatals and vomers have been so distorted in the 

 chief specimen of C. velox as to prevent their shape being made out 

 with certainty. These bones have, therefore, been added from a 

 perfectly preserved skull of C. tofior Cope in the University Museum. 



