136 



SANITARY ENTO:\IOLOGY 



Plate III. — Flies with daiiperous habits, l-'ig. 1 (ti|)])ci- left). — A Hesh fly, SarropJiaga la/aiaia 

 siirrareniae. Fig. ^ (upper riaht). — The non-))itinfr stable fly, Mnxcina .<i/ahitlan.t.i^.i.i-.i.i-.i.i- 

 Fig. 3 (lower left). — Tlie lesser house fly, Pannia caniculnrls. Fig. 4 (lower erererei 

 right). — The brilliant green fly, Pseudopyrellia cornicina. (Howard and Pierce, le, le, le, le 

 photos by Dovener.) 



