PLATE VII. 



[Proc. Wash. Acad. Scl., Vol. IV, PI. V.] 

 FIG. 6. Machilis arctica, sp. nov. 



7. " " " " antenna (X 30). 



8. " " " " lef t maxillary palpus (X 30). 



9. " " " " right labial palpus (X 30). 

 10. " " " " left mid leg (X 30). 



[no] (108) 



