Plate VIII. 



Fig. I. Female of Trichodectes geomydis Osborn, from Thomomys 

 bottae laticeps. 



Fig. 2. Head of female of Trichodectes mephitidis Osborn, from Pu- 

 torius xantho genes. 



Fig. 3. Head of male of Trichodectes geomydis Osborn, from Thomo- 

 mys bottae laticeps. 



Fig. 4. Genitalia of male of Trichodectes mephitidis Osborn, from Me- 

 phitis macrura. 



Fig. 5. Head of male of Trichodectes mephitidis Osborn, from Putor- 

 ius xantho genes. 



Fig. 6. Genitalia of male of Trichodectes geomydis Osborn, from Tho- 

 momys bottae laticeps. 



