THE MOUNT DESERT REGION 101 



Hydrobius Leach 



H. GLOBosus (Say) (2810). Found under stones and around 

 roots in brooks Stations F128, F284, and F287, Aug. 14-28. 



Anacaena Thomson 



A. LiMBATA Fab. (2814). Formerly identified as A. infuscata 

 (Mots). Witches Hole Brook, July 12, '35, one specimen 

 taken. 



Enochrus Thomson {Philhydrus Solier) 



E. PERPLExus (LeC.) (2836). Scarce. Taken only at the 



Narrows, Aug. 13, 1930. 

 E. ciNCTus (Say) (2837). New Mill Pond on milkweed, Aug. 29. 



One specimen. 

 E. REFLEXiPENNis (Zimm.) (2843). In a pool at the Narrows, 



Aug. 17. 



Cymbiodyta Bedel 



C. riMBRiATA (Melsh.) (2850). Several specimens taken in a 

 pool at the top of Breakneck Br., Aug. 29, '35, and a few 

 at the Narrows, Aug. 13, '30. Scarce. 



C. BLANCHARDi? Hom. (2851). Under stones in brooks. 

 Station F284, Aug. 14, one specimen taken. 



C. vindicata! Fall. (19277). Mt. Desert, May 1 (Br.). 



Cercyon Leach 



C. LiTTORALis (Gyll.) (2869). Sand Beach on melon rind, Aug. 



13. Search seaweed at high tide mark for this and the next 



following. 

 C. DEPREssus Steph. (2870). Sand Beach, Aug. 13. Much more 



scarce than the two following. 

 C. iNDiSTiNCTus Hom. (2880). June 14-Sept. 12. Widely 



spread and common, being taken from seaweed on beach at 



S. W. Harbor to melon bait at Corfield and on bones at 



Penikese. 

 C. MiNiscuLUM Melsh. (2891). Trash, fungi, etc. wet leaves. 



On a bone, Aug. 19 (Br.). 



