THE DIPTERA 



331 



FIG. 351. Adult engorged female Sheep Tick (Melophagus ovinus L..), greatly enlarged. 

 (From Marion Ines, Bur. An. Ind., U. S. D. A. Farm. Bull. 798.) 



FIG. 352. Young Sheep Tick just after emerging from its puparium. Greatly enlarged. 

 (From Marion Imes, Bur. An. Ind., U. S. D. A. Farm. Bull. 798.) 



