182 BIOLOGICAL SURVEY OF 



PoGONOSOMA Eondani 



P. RiDiNGSii Cress. Seal Harbor (Prof. Edw. S. Morse). 



Dasyllis Loew 



D. iNSiGNis Banks. Common, June 17-Aug. 22. 



D. FLAVicoLLis Say. Bar Harbor; S. W. Harbor, June 11- 



Aug. 16. 

 D. posTicATA Say. Common, June 30-Aug. 25. 

 D. SACRATOR Walk. Salisbury Cove, Aug. 7, 1926. 



Laphria Meigen 



L. AEATus Walk. S. W. Harbor, Aug. 8, 1910 (Fernald). 



L. ALTiTUDiNUM Bromley. Bar Harbor, June 16. 



L. CANis Will. Common, June 25-Aug. 17. 



L. GiLVA Linn. Bar Harbor ; Salisbury Cove, July 18- Aug. 14. 



L. JANUS McAtee. Common, June 7-July 24. 



L. SADALES Walk. Bar Harbor, July 29. 



L. SCORPIO McAtee. Bar Harbor; S. W. Harbor, July 24- 



Aug. 22. 

 L. SERICEA Say. S. W. Harbor (Fernald). 



AsiLUS Linnaeus 



A. NOTATus Wied. Common, June 20- Aug. 26. 



A. NOVAE-scoTiAE Macq. Salisbury Cove; Bar Harbor, July 



24-Aug. 18. I 



A. ORPHNE Walk. Echo Lake, June 27. j 



A. PAROPUs Walk. S. W. Harbor, July 15- Aug. 24. i 



A. SADYATEs Walk. Salisbury Cove; N. E. Harbor; Echo ; 



Lake, July 13-Sept. 7. j 



A. SNOwii Hine. Bar Harbor ; Salisbury Cove, July 10-15. j 



DOLICHOPODIDAE i 



SciAPUS Zeller (Psilopus Meigen) 



S. TENER Loew, Salisbury Cove, July 15. 



S. CAUDATus Wied. Salisbury Cove, July 15-25. I 



S. FLAviPES Aldr. Salisbury Cove, July 15. j 



S. scROBiNATOR Locw. Commoii, July 12-25. 



DiAPHORUS Meigen 



D. GiBBosus Van Duzee. S. W. Harbor, June 25-July 11. 

 D. OPACUS Loew. Salisbury Cove, July 25. 



