46 CIRCULAR 148, U. S, DEPARTMENT OF AGRICULTURE 
Figtrp 31.—A, Ear ticks and débris from ear of animal (about natural size); B, en- 
gorged larva (magnified 5 times); C, young tick (magnified 5 times): D, partially 
engorged young tick (magnified 5 times): #, fully engorged young tick (magnified 
5) times) ; F, adult female (magnified 5 times) ; G, adult male (magnified 5 times) 
