Bui. 72, Bureau of Entomology, U. S Dept. of Agriculture. 
Plate III. 
The North American Fever Tick and Other Species. 
Fig. 1. — Margarapus annulatus, male. Fig. 2 
mal plate "i" tfargarnpu* annulatux, male 
HxmaphymUsleporis-palustris. female. Fig. ::. 
Fig:. L— Mouth partsof Ixodes cookei. 
Stig- 
■Stig- 
mal plate of JRhipiceph dins sp., male. Fig. 6.— Stigmal plate of Amblyomma iii<t,-iii<iiun,. femall 
Figs. 1. 'i. much enlarged; fig. i. more enlarged; figs. :'..">. 6, highly magnified. (Original. 
