PLATE VI. 

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



FIG. I. Neanura gigantea Tull. (X 2O ) 



2. " ornata, sp. nov. (X 60) 



3. Anurida amorita, sp. nov. (X l &)' 



4. Isotoma viridis Bourl., type (X X 3)- 



5. ' , " ' var. arctica Schott (X 12 ) 



[108] ( lo6 ) 



