PLATE II. 



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



FIG. i. Psithynis kodiakcnsis Ashm. $ . 



2. Tetrarhapta alaskensis Ashm. 9 



3. Terobia vulgar is Ashm. 9 



4. Automalus nigropilosus Ashm. $ . 



5. Exolytus clypcatus Ashm. 9 



6. Plectocryptus yakatutcnsis Ashm. 9- 



The black hair-line at the side or beneath the figures represents the natural 

 length of the specimen. 



[264] (270) 



