184 BIOLOGICAL SURVEY OF 



Hydrophorus Fallen 



H. AESTUANs Loew. Echo Lake; Sand Beach, June 17- 



Sept. 13. 

 H. CHRYSOLOGUS Walk. S. W. Harbor ; Bar Harbor, July 13- 



Aug. 10. 

 H. iNTENTus Aldr. Narrows, Aug. 13. 

 H. piRATA Loew. Bar Harbor, June 21. 



Orthocerattum Schrank (Liancalus Loew) 



0. GENUALis Loew. Western Mt., Sept. 8 (Alexander). 



DoLiCHOPUS Latreille 



D. ALBiciLiATus Locw. Bar Harbor, June 13-Sept. 9. 



D. ADULTUS Van D., Cole & Aldr. Echo Lake, June 17. 



D. CALAiNus Mel. & Brues. Bar Harbor, July 10. 



D. coMATus Loew. Common, June 11-Sept. 7. 



D. cupRiNus Wied. Bar Harbor ; Narrows, July 22-27. 



D. DEFLECTus Van D., Cole & Aldr. Bar Harbor, Sept. 9. 



D. DisciFER Stannius. Common, June 13-July 27. 



D. FULviPEs Loew. Common, June 13-July 15. 



D. iNDiGENA Van D., Cole & Aldr. Bar Harbor, Aug. 18. 



D. LONGiMANUS Loew. Echo Lake; Bar Harbor, July 10-22. 



D. MARGiNATus Aldr. Bar Harbor; 'Narrows,' June 13- 

 July 27. 



D. MELANocERus Loew. Wltch Hole Pond; Bar Harbor, 

 July 30-Sept. 13. 



D. MULTisETosus Vau D., Cole & Aldr. Bar Harbor, July 10. 



D. oRNATiPENNis Vau D., Cole & Aldr. 'Heath,' Salisbury 

 Cove ; Duck Brook, Aug. 9-18. 



D. PLUMiPEs Scop. S. W. Harbor, July 15. 



D. PORPHYROPS Van D., Cole & Aldr. S. W. Harbor, June 16. 



D. PUGiL Loew. Tremont ; Narrows, June 9-July 27. 



D. RAMiFER Loew. S. W. Harbor, July 13. 



D. REMiPES Wohlberg. Witch Hole Pond ; Bar Harbor, July 

 26-30. On water-lily pads. 



D. scoPARius Loew. Duck Brook; Bar Harbor, June 13-22. 



D. SETiFER Loew. S. W. Harbor ; Salisbury Cove, July 13-15. 



D. sETOsus Loew. S. W. Harbor, Julv 13. 



