130 KANSAS UNIVERSITY QUARTERLY. 



mains {Sagenodiis) which Dr. Williston has described elsewhere 

 in this number. The limestone in which the fish are found is al- 

 most entirely made up of sponges. It is from a thin limestone 

 about six inches in thickness in a ravine three miles northeast of 

 Robinson, Kansas, that these specimens and the fish were taken. 



