EXPLANATION OF PLATE IIL 



Fig. 1. — Undetermined Larva of Ailclocepliala from Brazil, natural size. 



Fig. 2. — Larva of Adelocephala isi'os, last stage, San Antonio, Tex., natural size. 



Fig. 2a. — Larva of Adelocephala isias, stage IV, Brownsville, Tex. 



Fig. 3. — Larva of AdelorepknUi isias, Brownsville, Tex. 



Fig. 4 — i«, Si/sspltin.r iiiolina, stage I, much enlarged. 



L. H. Joutel, del. ^ 



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