CUSHMAN LABORATORY FOR FORAMINIFERAL RESEARCH 

 SPECIAL PUBLICATION, NO. 1 



6)L 



O 



FORAMINIFERA 



^ 



Their Classification 



and 



Economic Use 



BY 



JOSEPH A. CUSHMAN Ph. D. 



Lecturer in Micropalaeontology, Harvard University 



and 

 Director, Cushman Laboratory for Foraminiferal Research 



SHARON, MASSACHUSETTS, U. S. A. 

 APRIL I'MH 



