42(1 BIOLOGICAL SURVEY OF 



('. vomitoria var. nigriearbis Shan. Common, July 11-Sept. 



C. brythrocephala Meig. Bar Harbor; Salisbury Cove, July 

 20-Sept. !». 



Phormia R.-Desvoidy 



P. EtEGiNA Meig. Common, July 15-Sept. 11. 

 I*, terraenovae Desv. Bar Harbor; Salisbury Cove. July 22- 

 Aug. 5. 



Protocalliphora Hough 



P. splendida form sialia Shan. & Dobro. S. W. Harbor, June 

 26. The larva is parasitic on nestling birds. 



Lucilia Desvoidy. Green-bottle flies 



\j. ii.i.i rsTRis Meig. Several taken at Section 22, Aug. 6; Sec- 

 tion 26' on Spirca, July 5, and Somesville, Sept. 15. 

 L. sylvarum Meig. Bar Harbor, July 29-Aug. 15. 



POLLENIA R.-Desvoidy. Cluster fly 



P. rudis Fab. Common, June 17-Sept. 6. 



P. VARiA Meig. Stations F218 and F283. 



P. sp. A specimen with the apical cell petiolate. Penikese, 



June 19. 

 P. sp. On catkins, Apr. 25; Breakneck Dr., June 2. 

 P. sp. Toad Hole, Aug. 26. 



Opsodexia Townsend 



0. BicoLORCoq. Witches Hole Pd., Sept. 11. 



Helicobia Coquillett 



II. helicis Town. S. W. Harbor, Sept. 8. 



II. rapax Walt. Penikese on flowers, July 27. 



Agbia R.-Desvoidy 



A. aii ims Pall. Echo Lake, July 12. 



