PLATE II. 

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



FlG. I. Psithyrus kodiakensis Ashm. $. 



2. Tetrarhapta alaskensis Ashm. J. 



3. Terobia vulgaris Ashm. $?. 



4. Automalus nigropilosus Ashm. $ . 



5. Exolytus clypeatus Ashm. 9 



6. Plectocryptus yakatutensis Ashm. $> . 



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

 length of the specimen. 



[264] (270) 



