412 



BUEEAU OF ANIMAL INDUSTRY. 



separated from each other, and it is difficult to distinguish the posterior ones. There 

 are two Httle spines under the last article. The mouth pieces extrude from a circu- 



FiG. 101.— Dorsal view of hexapod larva of ear tick. Greatly enlarged. Original. 



Fig. 102. — Ventral view of game. Original. same. Greatly enlarged. Original. 



lar fold; the maxillse have at the extremity two bidentate laminge, and the hypostome 

 is provided with teeth, directed posteriorly and much sharper in the male than in 

 the female. 



