THE MOUNT DESERT KEGION 433 



FoRMiciDAE. The Ants 

 PoNEKA Latreille 



P. coARCTATA (Lat.) sub. sp. PENNSYLVANiCA Buck. Bai* Har- 

 bor; Tremont, Aug. 29-Sept. 4 (Br.). 



Ckemastogaster Lund 



C. LiNEOLATA Say. Robinson Mt., Sept. 7. On sap from gall- 

 infested acorns of the scrub oak; Cadillac Cliffs and Eden, 

 Sept. 11 and 12. Males and females swarming Robinson 

 Mt., Aug. 24. Sec. 15, Oct. 4. 



Stenamma Mayr 



S. BREvicoRNE Majr. This is a rare ant nesting under stones 

 in moss humus. A swarm of males were flying along the 

 edge of a plantation of Pinus hmiksiana on Dikes Peak 

 Oct. 2, '34 and specimens taken by (Br.). 



Myrmica Latreille 



M. BREviNODis Emery. Hodgdon Brook, Aug. 12 ; Station F181, 



Sept. 3. 

 M. scABRiNODis var. FRACTicoRNis Emcry. S. W. Harbor; 



Green Mt., Long Pond, July 11-Aug. 22. 

 M. scABRiNODis var. SABULATES Meiu. 'Mt. Desert,' July 30 



(McAtee). 

 M, SCABRINODIS scHENCKi var. EMERYANA Forcl. S. W. Har- 



bor ; Witch Hole Pond, Sept. 6-11 ; swarming on Robinson 



Mt., Sept. 2, '35. 

 M. SCABRINODIS Nyl. var. detribinodis Emery. Station F173 



and on the Eden-Town Hill road, Aug. 2-7. 

 M. sp. Section 26, Aug. 7. 

 M. sp. (brevicornis group) Section 15 sweeping, Sept. 6. 



Leptothorax Mayr 



L. acervorum canadensis Prov. S. W. Harbor, July 11. 

 L. cuRvispiNosus AMBiGuus Emery. 'Mt. Desert,' July 30 

 (McAtee). 



