50 BIOLOGICAL SURVEY OF 



Lestes Leach 



L. CONGENER Hageii. This whole genus prefers marshes and 

 secluded streams to the open ponds. Brook and cedar 

 swamp West Side at Bar Harbor X Mt. Desert line, Sept. 

 22. Bare. 



L. UNGuicuLATTJS Hageu. A pond and marsh form. Sea "Wall, 

 Aug. 24-Sept. 8. 



L. FORCiPATus Bambur. Bar Harbor, July 24. New Mill Pond, 

 Aug. 29. Frequents secluded spots. 



L. TJisrcATus Kirby. Bar Harbor; S. W. Harbor, July 13-29. 



L. viGiLAX Hagen, Witch Hole, June 13. Not common. 



L. DisjTJNCTUS Selys. Bar Harbor, July 29. 



Argia Eambur 



A. vioLACEA Hagen. Eagle Lake, July 18. Bubble Brook, 



July 20. 

 A. MOESTA (Hag.). Long Pond, June 20; Outlet Eagle Lake; 



Bubble Brook, July 18-20. 



Nehalennia Selys 



N. IRENE Hagen. Flies in secluded places and stays close to 

 home. Bar Harbor; Witch Hole Pond; S. W. Harbor, Pond 

 beside Indian Point-Somesville Road, June 11-Aug. 10. 



Chroiiagrion Needham 



C. coNDiTUM Hagen. Seems to prefer small ponds. Bar Har- 

 bor, June 11. 



Enallagma Charpeutier 



E. HAGENi Walsh. A very common form which occurs at times 



in great abundance from the first of June to the last of 



August. 

 E. BOREALE Selys. Breakneck Road; Witch Hole, June 6. 



Common. 

 E. cYNATHiGERUM Cliarp. A common widely distributed form. 

 E. EBRiuM Hagen. This species travels far from the ponds. 



Common. 



