PLATE VI. 

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



Fig. i. NeanuragiganteaTvXL. (X20). 



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



3. Anurida amorita, sp. nov. (X !§)• 



4. Isotoma viridis Bourl., type (X 13)- 



5- " " * var. arctica Schott (X 12). 



[108] ( I0 6) 



