THE MOUNT DESERT EEGION 191 



Chrysotoxum Meigen 



C. DERivATUM Walk, Salisbury Cove, Aug. 7, 1926. 



C. FASCioLATUM De G. Long Pond; S. W. Harbor; Bar Har- 

 bor, June 17-July 24. 



C. PERPLEXUM Johns. Witch Hole Pond ; S. W. Harbor, Aug. 

 18-Sept. 6. 



Chrysogaster Meigen 



C. NiGRiPEs Loew. Bar Harbor, July 21. 



C. PULCHELLA Will. S. W. Harbor ; Bar Harbor, July 10-19. 



PiPiZA Fallen 



P. FEMORALis Loew. Bar Harbor, June 8. 

 P. NiGROPiLOSA Will. Bar Harbor, June 8. 

 P. QUADRiMACULATA Pauz. Bar Harbor; Echo Lake, June 

 13-27. 



PiPiZELLA Eondani 



P. PUBESCENS Loew. Bar Harbor; S. W. Harbor, June 15- 



July 15. 

 P. EECEDENS Walk. Bar Harbor; S. W. Harbor, June 21- 



July 15. 



Heringia Eondani 



H. SALAX Loew. Bar Harbor, July 20-22. 



Cnemodon Egger 



C. ELONGATA Curr. Bar Harbor, June 9-17. 



C. pisTicoiDEs Will. Long Pond ; Salisbury Cove, July 16-24. 



Paragus Latreille 



P. ANGusTiFRONs Locw. Salisbury Cove; Bar Harbor, July 



17-Aug. 10. 

 P. BicoLOR Fab. Salisbury Cove, July 14. 

 P. TIBIALIS Fall. Bar Harbor; Salisbury Cove, July 22-24. 



Chilosia Meigen 



C. oRiLLiAENsis Curr. S. W. Harbor, June 21. 



Cartosyrphus Bigot 



C. PALLiPEs Loew. Common, June 26-July 30. 



C. SLOssoNAE Shan. 'Great Clearing,' north of Sargent Mt., 



June 10. 

 C. TRisTis Loew. Common, June 12-Sept. 6. 



