PLATE II. 

 [Proc. Wash. Acad. Sci., Vol. IV, PL EX.] 



Fig. I. Psithyrus kodiahensis K^hvsx. $. 



2. Tetrarkapta alaskensts Kshm. J. 



3. Terobia vulgaris Ashm. 9 • 



4. Automalus nigrofilosus Ashm. $ . 



5. Bxolytus clyfeatus Ashm. 9 . 



6. Plectocryptus yakatutensis K&hxa.. J. 



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

 length of the specimen. 



[264] (270) 



