75 2 THE JOURNAL OF GEOLOGY. 



Prionocyclus woolgari as identical with the European form described 

 by Mantell, now known as Prinotropis woolgari. 



The bulletin shows a very happy combination of stratigraphic and 

 palseontologic work. It will be welcomed by all students of the interior 

 Cretaceous as a valuable aid. H. F. Bain. 



