46 BIOLOGICAL SURVEY OF 



C. HAGENi Eaton. Bar Harbor, July 1-Sept. 7 (Br.). Great 



Heath, Aug. 22. 

 C. FLTJCTUANS Wlsli. Aug. 17 (Br.). 

 C. FEERUGiNEus Walsh. Bar Harbor, July 29. 



Cloeon Leach 



C. RUBROPicTUM McD. Eclio Lake, July 4 (Spieth). 

 C. sp. Echo Lake (Br.). 



SiPHLONURIDAE 

 Amelettjs Eaton 



A. LUDENs Ndm.? Bar Harbor, May 25 (Br.). 



SiPHLONUBUS Eaton 



S. BERNicE McD. Bar Harbor, July 6 (Br.). 

 S. MiRus Eaton. Green Mt,, June 10 (Br.). 

 S. QUEBECENsis Prov. Juuc 18 (Br.). 

 S. sp. 



Heptageniidae 



Heptagknia Walsh 



H. HEBE McD. Duck Brook, July 3 (Spieth). 



Iron Eaton 



I. PLEURALis Banks. Bar Harbor, May 17 (Br.). 



I. FRAGiLis Morgan. Hulls Cove Brook, July 3 (Spieth). 



I. HUMERALis Morgau. Duck Brook, July 3 (Spieth). 



Stenonema Traver 



S. CANADENSE Wlk. Eaglc Lake, Sept. 2 (Br.). 



S. FUSCLTM Clemens. Bar Harbor, June 15 (Br.). 



S. MEDiopuNCTATUM McD. Bar Harbor, June 13 ; Duck Brook, 



July 3 (Spieth). 

 S. RUBEOMACULATUM Clemeus. Duck Brook, July 3 (Spieth). 

 S. RUBRUM McD. Duck Brook, July 3 (Spieth). 

 S. TRiPUNCTATUM Bauks. Sept. 5 (Br.). 

 S. iNTERPUNCTATA. Ouc specimcn showing the complex but 



unidentifiable. Echo Lake, July 4 (Spieth). 

 S. sp. Duck Brook, July 31. 



