Volume 72 



Raymond, Farcy . 



1941 Invertebrate paleontology 11 



Reesido, John B. Jr. 



1954 Ammonite accumulations in the 



Cretaceous Movry and Aspen shales 12 



1957 Paleoecology of the Cretaceous soaa of 

 the western interior of the United 

 States 13 



