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.) 



