SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 56, NUMBER 12 



Mobcjkins jFunb 



THE FLYING APPARATUS OF THE 

 BLOW-FLY 



A Contribution to the Morphology and Physiology 

 OF THE Organs of Flight in Insects 



With Twenty Plates 



BY 



DR. WOLFGANG RITTER 



( Publication 1047 ) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



I911 



