An Introduction To 



The Genetics Of 



Habrobracon Juglandis Ashmead 



By 

 ALBERT MARTIN, JR. 



Assistant Professor of Biology 



Mount Mercy College 



Lecturer in Genetics 



University of Pittsburgh 



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THE HOBSON BOOK PRESS 



52 VANDERBILT AVENUE 



NEW YORK, N. Y. 



1947 



