46 CIRCULAR 14 8, IT. S. DEPARTMENT OF AGRICULTURE 



Figure 31. — A, Ear ticks and debris from ear of animal (about natural size) ; B, on- 

 gorged larva (magnified 5 times) ; G, young tick (magnified 5 times) ; D, partially 

 engorged young tick (magnified 5 times) : E, fully engorged young tick (mngnified 

 5 times) ; F f adult female (magnified 5 times) ; G, adult male (magnified 5 times) 



