SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 82. NUMBER 10 



MORPHOLOGY OF THE BARK-BEETLES OF THE 

 GENUS GNATHOTRICHUS EICHH. 



BY 

 KARL E. SCHEDL 



(Publication 3068) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JANUARY 24, 1931 



