50 BIOLOGICAL SURVEY OF 



Olemira Banks 



0. AMERICANA Baiiks. Bar Harbor, July 17. 

 Leptoceridae 



Triaenodes McLachlan 



T. FLAVESCENS Baiiks. Echo Lake, July 12. 



Leptocella Banks 



L. EXQuisiTA Walk. Great Pond, June 20. 



Oecetina Banks 



Oe. inconspicua Walk. S. W. Harbor, July; Witch Hole 

 Pond, July 30. 



Mystacides Latreille 



M. NIGRA Linn. Echo Lake, July 12. 



H YDROPSY C HIDAE 

 Hydropsyche Pictet 



H. sp. Duck Brook ; Bar Harbor, July 30. 



Polycentropus Curtis 



P. coNFUSus Hag. Bar Harbor, July 21. 



P. sp. Bar Harbor; Witch Hole Pond, July 22-30. 



HOLOCENTROPUS McLachlan 



H. iNTERRUPTUs Baiiks. S. W. Harbor, June 20. 

 H. sp. Bar Harbor, June 21. 



Phylocentropus Banks 



P. LuciDUS Hag. Echo Lake; Bar Harbor, July 17-30. 



Philopotamus Leach 



P. DisTiNCTUS Walk. Duck Brook, July 30. 



Arctopsyche McLachlan 



A. AFiCALis Banks. Long Pond, July 16. 



Order LEPIDOPTERA. Moths and butterflies 



MiCROPTERYGIDAE 

 MiCROPTERYX Hiibner 



M. AURiCRiNELLA Walslim. Long Pond, July 27. 



EucLEiDAE {Cochlidiidae, Limacoididae). Slug caterpillars 



