Bui. 105, Bureau of Entomology, U. S. Dept. of Agriculture. 
Plate III. 
The Spotted-Fever Tick ^Dermacentor venustus) and Dermacentor albipictus. 
Fig 1.— Adult spotted-fever tick which lias deposited eggs. Fig. 2.— Larva of spotted-fever tick. 
Fig. 3. — Engorged nymph of spotted-fever tick. Fig. i. Same, ventral view. Fig. 5.— Adult 
maleof Dermacentor albipictus. Fig. 6.— Adult Eemaleof />. albipictm, unengorged. Original.) 
