420 BIOLOGICAL sriiYKY OF 



S( llOFNOM Y/.A ll;ili(l.iv 



S. CHRYSOSTOMA LoeW. ( 'olllinoil, JlUR' 8-Ang. 13. 



s. dorsalis Loew. s. W. Harbor, June 1(5. 

 S. litorella Fall. Salisbury Cove; Bar Harbor, July 12 

 Sept. 13. 



M.\( kocoexosia Mallocb 



M. triesta Stein. Common, June 7-July 30. 



Coenosia Meigen 



C. humilis Meig. Bar Harbor; N. E. Harbor, June 21- 



Sept. 4. 

 C. tigkixa Fab. Laboratory, July 10. 



Limosia Desvoidy 



L. atrata Walk. S. W. Harbor, Aug. 23. Station F399. 



L. gomfressa Stein. Bar Harbor; Eagle Lake, July 18-20. 



Station F340, Station F405. 

 L. ftjscifrons Mall. Bar Harbor, Aug. 10-29. 

 L. humilis Meig. Bar Harbor; N. E. Harbor, June 21- 



Sept. 4. 

 L. nigrescens Stein. S. W. Harbor; Tremont; Echo Lake; 



June 20-Oct. 3. 

 L. nudiseta Loew. Bar Harbor, Sept. 11. 



LlSPOCEPHALA Pokoinv 



L. alma Meig. S. W. Harbor, Sept. 6. 



L. alma var. pallipalpis Zett. Echo Lake; Eagle Lake, July 



12-18. 

 L. erythrocera Desv. Common, July 12-Aug. 23. 



Macrorchis Rondani 



M. ausora Walk. Bar Harbor, July 3. 



Tetramekinx Berg 



T. onica Stein. Narrows, Aug. 13. 



