Figures 583-592. — Cerodontha ( Butomomyza ) angulata : 
583, Aedeagus, side view; 584, epandrium; (583, 
584, paralectotype, Pennsylvania); 585, aedeagus, 
side view; 586, same, ventral view; (585, 586, 
Indian Gap, N.C.); 587, puparium; 588, posterior 
spiracles of puparium; (587, 588, Europe); C. (]5. ) 
subangulata : 589, Aedeagus, side view; 590, same, 
ventral view; 591, epandrium; (589-591, holotype) ; 
592, aedeagus, side view (Cabin John Creek, Md.). 
395 
