171 



The elevated hummocks are carpeted with dense beds of dwarf 

 cornel, gold-thread, etc., with scattered remnants of other spring, 

 plants, as Chntonia, star-flower and others. In the boggy areas 

 are many sensitive, interrupted and other ferns and several species 

 of Carex. Most of the crane-flies designated under this caption 

 were swept from this hummock vegetation. 



Ptychoptera rufocinda 0. S. Stream, June 21. 



Bittacomorphella jonesi (Johns.). Stream, June 26. 



Rhipidia {Rhipidia) maculata Meig. Stream, June 22-30. 



Dicranomyia diver sa O. S. Stream, June 13. 



D, glohithorax O. S. Stream, June 17. 



D. halterata 0. S. Bog, June 12-30. 



D. immodesta 0. S. June 13-30. 



D. liberta O. S. June 16-30. 



D. longipennis (Schumm.). Bog, June 17. 



D. morioides O. S. Common along stream, June 17-30. 



D. profunda, sp. n. Bog, June 20-30. 



D. puhipennis O. S. Stream, June 13-30. 



D. sphagnicola, sp. n. Bog, July 1. 



Limonia indigena (0. S.). Stream, June 21-30. 



L. solitaria (O. S.). Stream and woods, June 21-30. 



Elephantomyia westwoodi 0. S. Woods, June 18-July 1. 



Rhabdomastix (Sacandaga) flava (Alex.). Wood-road, June 26. 



Gonomyia (Ptilostena) hlanda O. S. June 21-30. 



G. (P.) mathesoni Alex. Mountain Mill Stream, June 26. 



G. {Gonomyia) probably //orens Alex. Stream, one 9 , June 23, 



G. (G.) suhcinerea O. S. Stream, June 22-30. 



Helohia hyhrida (Meig.). Stream, June 22-30. 



Molophilus cramptoni Alex. Abundant, stream, June 22- 

 July 1. 



M. hirtipennis (0. S.). Swampy area near east end of lake, 

 June 12. 



M. puhipennis (0. S.). Stream, June 15-30; common, almost 

 all males in bog, July 1, 1925. 



Erioptera chrysocoma 0. S. Bog, June 12. 



E. septemtrionis O. S. Bog, June 18. 



E. stigmatica O. S. Stream, June 26-30. 

 Ormosia deviata Dietz. Bog, July 1. 

 0. meigenii (O. S.). Stream, June 13-20. 

 Ulomorpha pilosella O. S. Stream, June 17. 

 Pilaria quadrata (0. S.). Woods, June 14. 

 P. stanwoodae (Alex.). Bog, June 13- July 1. 

 Pseudolimnophila inornata (0. S.). Bog, June 17. 

 P. noveboracensis (Alex.). Bog, July 1. 

 P. toxoneura (0. S.). June 12-30. 

 Epiphragma fascipennis (Say). June 12- July 1. 

 Limnophila (Dicranophragma) fuscovaria 0. S. Bog, abundant, 

 June 12- July 1. 

 L. (Prionolabis) munda O. S. Bog, June 13. 

 L. (P.) rufibasis 0. S. Woods, stream, June 12-20. 



