THE MOUNT DESERT EEGION 23 



M. FAsciATus Walk. Bar Harbor, 'Great Clearing'; S. W. 



Harbor, June 10-Aug. 20. 

 M. MANcus Smitli. Common on the top of Green Mt., Aug. 



17 ; Bar Harbor, Aug. 18. 



NoMOTETTix Morse 



N. CRisTATUs Scud. Crcsted pygmy locust. Bar Harbor ; Sal- 

 isbury Cove ; S. AV. Harbor, June 13- Aug. 18. 



AcRYDitTM Geoffroy 



A. GRANULATUM Kby. Granulate pygmy locust. Bar Har- 

 bor, June 8-13. 



A. GRANULATUM var. INCURVATUM Haucock. Beach Mt., 800 

 ft., Sept. 12 (Alexander). 



Order PLECOPTERA 



Perlidae. Stone flies 



Perla Geoffroy 



P. immarginata Say. Duck Brook, Aug. 18. 

 P. MEDIA Walk. Long Pond, June 25-27. 

 P. sp. Long Pond, June 15. 



Alloperla Banks 



A. iMBECiLLA Say. 'Mt. Desert,' June 10. 

 A. LATERALIS Baiiks. Bar Harbor, July 20. 



Chloroperla Newman 



C. CYDIPPE Newn. Echo Lake, July 12. 



IsoPERLA Banks 



I. MONTANA Banks. Bar Harbor, June 8. 



Perlinella Banks 



P. DRYMO Newn. Jordan Pond, June 16. 



Acroneuria Pictet 



A. LYcoRiAS Newn. Long Pond, July 20. 



Nemoura Latreille 



N. SERRATA Claas. Bar Harbor, June 8. 

 N. VENOSA Banks? Long Pond, June 27. 



Leuctra Stephens 



L. sp. S. W. Harbor, June 20 ; Bar Harbor, June 23. 



