Plate VI. 



Fig. i. Genitalia of male of Hoplo pleura acanthopus, var. americanus 



n. sp. 

 Fig". 2. Genitalia of male of Enderleinellus longiceps n. sp. 

 Fig. 3. Genitalia of male of Linognathoides inornatus n. sp. 

 Fig. 4. Genitalia of male of Linognathoides montanus (Osbornj. 

 Fig. 5. Genitalia of male of Neohaematopinus antennatus (Osborn). 

 Fig. 6. Genitalia of male of Enderleinellus osborni n. sp. 

 Fig. 7. Genitalia of male of Polyplax spinulosa (Burm.). 

 Fig. 8. Genitalia of male of Hoplopleura arboricola n. sp. from Euta- 



mias tozvnsendi ocrogenys. 

 Fig. 9. Genitalia of male of Antarctophthirus monachus n. sp. 

 Fig. 10. Genitalia of male of Eahrenholzia pinnata n. sp. 



