275 



Gnophomyia tristissima O. S. Moss Glen Falls, June 26. 



Gonomyia (Ptilostena) mathesoni Alex. Woodcrest Farm, 

 along Waterbury R., June 14. 



G. (Gonomyia) florens Alex. Woodcrest Farm, June 15. 



G. (G.) noveboracensis Alex. Woodcrest Farm, along Water- 

 bury R., June 17; Moss Glen Falls, June 26. 



G. (G.) sulphurella O. S. Waterbury R., near Stowe, June 14; 

 Woodcrest Farm, June 18-22, in bog. 



G. (G.) subcinerea 0. S. Bingham Falls, June 16. 



Rhabdomastix flava (Alex.). Waterbury R., near Stowe, along 

 stream, June 14. 



Erioptera (Ilisia) armillaris O. S. Woodcrest Farm, June 27. 



E. (Mesocyphona) ?ieedhami Alex. Woodcrest Farm, June 

 18-20 in bog. 



E. (Empeda) nyctops Alex. Bingham Falls, June 16; Smug- 

 glers Notch, June 16-18; Mansfield, 2000-3500 feet, June 16-24. 



E. (E.) stigmatica (0. S.). Woodcrest Farm, June 15-20, in 

 bog; Bingham Falls, June 18-21; Mansfield, 2000-3000 feet, 

 June 16-24. 



E. (Erioptera) chrysocoma O. S. Woodcrest Farm, June 17-22, 

 in bogs. 



E. (E.) megophthalnia Alex. Woodcrest Farm, June 15-17, 

 in bogs. 



E. (E.) septemtrionis O. S. Woodcrest Farm, June 17-18, 

 bogs; Lake of the Clouds, June 16; Mansfield, Chin, June 16. 



E. (E.) vespertina O. S. Woodcrest Farm, June 17, in bog. 



E. (E.) viridula Alex. Woodcrest Farm, common in bogs and 

 boggy meadows, June 20-27. 



Helobia hybrida Meig. Lake of the Clouds, June 16. 



Ormosia adirondacensis Alex. Woodcrest Farm, June 21; 

 Bingham Falls, June 16-18. 



0, dentifera Alex. Mansfield, 3500 feet, June 16. 



0. deviata Dietz. Mansfield, 2500 feet, June 16. 



0. innocens (0. S.). Smugglers Notch, June 16 (C. L. Farrar). 



0. megacera Alex. Woodcrest Farm, in bog, June 18. 



0. meigenii (O. S.). Mansfield, 2500 feet, June 16. 



0. mesocera Alex. Mansfield, 2500-3500 feet, June 16-24. 



0. pygmaea (Alex.). Bingham Falls, June 16; Mansfield, 3500- 

 3800 feet, June 16. 



Molophilus cramptoni Alex. Mansfield, 2000-2500 feet, June 

 24. 



