PLATE XXXIII. 



Fig. 1. — Mimesa argcntifrons o (x3.8). 



Fig. 2. — Burrow of Priovonyx atrata ^ ■ Cell contains the locust, 

 Aulocara elUotti. About natural size. 



Fig. 3. — Athysaniis exitiosa, the prey of Mimesa argentifrons (x 3.8). 



Fig. 4. — Harpactiis gyponse q (x 3.8). 



Fig. 5. — Gypona cinerea, the prey of Harpactus gyponx (x 3.8). 



Fig. 6. — Dorsal view of Melanoplus lakinus g , showing egg {E) of 

 Priononyx atraia. (x 1.6). 



Fig. 7. — Priononyx atrata g ( X 1.6) . 



