210 CONNEi lh i i GEOL. AND NAT. HIST. SURVEY. [Bull. 



Family HIPP* U'.osCIDjE. 



Olfersia Wiedemann, 

 americana Leach. Hippobosca bubonis. Pack. Guide, 417. 



Melophagus Latreillc. 

 ovinus Linnaeus. Sheep tick. Bur. Ent, Bull. 5, New ser., 138. 



