U.S. NATIONAL MUSEUM PROCEEDINGS, VOL. 62, ART. 4 PL.5 
= 
7. 
iy, eaaaarese: 
Sar es 
fi tras 
ff tL dite \ 
39.00% 
NorRTH AMERICAN FLIES OF THE FAMILY THERIVIDAE. 
FOR EXPLANATION OF PLATE SEE PAGE 136. 
