Bul. 106, Bureau of Entomology, U.S. Dept. of Agriculture. PLATE |. 
APPARATUS AND CONTRIVANCES USED IN LIFE-HISTORY STUDIES OF TICKS. 
Fig. 1.—Rearing cage. Fig. 2.—Bell jar containing attachment cylinder and animal. Fig. 3.—Outdoor 
attachment and engorgement box. Fig. 4.—Dropping cage. Fig. 5.—Bull with harness. Fig. 6.— 
Dog with collar. (Original.) 
