THE MOUNT DESEKT EEGION 51 



E. ExsuLANs Hagen. A stream species. N. E. Harbor (Mer- 

 rill). 



E. CIVILE Hagen. Another common all summer species. 



E. MiNuscuLUM Morse. Echo Lake, July 12. Scarce here and 

 no females taken. 



IscHNTjRA Charpentier 



I. vERTicALis Say. Common from the first of June to Septem- 

 ber. 



Order CORRODENTIA 



PSOCIDAE 



PsocTJS Latrielle 



P. coNFRATERNUs Bauks. S. W. Harbor ; Duck Brook, Aug 20- 



Sept. 11. 

 P. HAGENi Banks. Green Mt.; N. E. Harbor (Minot), Aug. 



17-18. 

 P. LEiDYi Aaron. Beach Mt., Sept. 12 (Alexander). 

 P. MOESTus Hag. S. W. Harbor, Aug. 26-Sept. 12 (Alex- 

 ander). 

 P. NovAEscoTiAE "Walk. S. W. Harbor; Beach Mt., Aug. 31- 



Sept. 12 (Alexander). 

 P. QUIETUS Walsh. S. W. Harbor ; Beach Mt., Aug. 31-Sept. 



12 (Alexander). 

 P. PERPLExus Walsh. Common, July 30- Aug. 30. 

 P. POLLUTUS Walsh. S. W. Harbor ; Beach Mt., Aug. 26-Sept. 



12 (Alexander). 

 P. SLOSSONAE Banks. S. W. Harbor ; Beach Mt., Aug. 31-Sept. 



12 (Alexander). 



Graphopsocus Kolbe 



G. cRuciATus Linn. Bar Harbor, June 17-25. 



