PLATE XVI. 



PROC. EXT. SOC. WASH., VOL. XVIT. 



EXPLANATION OF PLATE XVI. 



Cephenomyia pratti Hunter. 



Fig. 1. Skin of dorsum of larva in third stage, cleared and mounted 

 in balsam. 



Fig. 2. Puparium. 



Fig. 3. Posterior stigmata of larva. 



Fig. 4. Larva, ventral view of anterior portion. 



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