PLATE VII. 

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



FIG. 6. Machilis arcttca, sp. nov. (X). 



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



8. " " " " left maxillary palpus (X 30). 

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



10. " left mid leg (X3). 



[no] (108) 



