UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 8, No. 5, pp. 39-60, pis. 1-5 Issued April 16, 1914 



TERTIARY ECHINOIDS OF THE CARRIZO 

 CREEK REGION IN THE COLORADO 

 DESERT 



BY 



WILLIAM S. W. KEW 



