.")l! BIOLOGICAL SUKVKV OF 



Cordulia Leach 



C. shurtleffi Scudder. These fly around the boggy edges 

 of ponds. Bar Harbor; Witch Hole; June 6-July 29. 



Dokocordulia Needham 



D. lepiua (Hagen). Found around the boggy borders of 

 ponds from the first of June to August. 



D. libera (Selys). Same as that above. 



Williamsonia Davis 



W. fletcheki Will. Witches Hole, June 6, '35. A northern 

 form and first record from Maine. See article by Dr. B. E. 

 Montgomery, Ent. News, Vol. LIV, No. 1. 



Libellulidae. The Skimmers 

 Nannothemis Brauer 



N. bella (Uhler). Witch Hole Pond, June 13. Lower Break- 

 neck Pond, July 8. 



Celithemis Hagen 



C. elisa Hagen. Flies around the edges of ponds. Witch 



Hole ; Hulls Cove, June 15- Aug. 18. 

 C. martha Will. Taken at Gt. Heath and the Breakneck 



Ponds, Aug. 15-21. 



Libellula Linnaeus 



L. (eolibellula) semifasciata Burm. An early from that 



frequents the brooks. 

 L. (ladona) exusta Say. Witch Hole Pond; Long Pond, 



June 13-26. On the ponds. 

 L. (ladona) julia Uhler. Sea Wall Bog, Aug. 15. 

 L. (libellula) quadrimaculata Linn. June the first to 



August on ponds as well as brooks. 

 L. (neotetrum) pulchella Drury. Stations F366 and F384. 

 L. (plathemis) lydia Drury. An all summer form that stays 



on the ponds. Bar Harbor, June 11-July 20. 



