THE MOUNT DESERT REGION 11!) 



Berosus Leach 



B. striatus (Say) (2784). Pond in Eden, Aug-. 13 and New 

 Mill Pond, Aug. 7. Not common. 



Hydrophilus DeGcer 



H. OBTUSATUS Say (2795). On July 24-26 a few were taken 

 in a pond near Bar Harbor. Duck Br. in road, May 20. 

 Scarce. 



Tropisterxus Solier 



T. glaber (Hbst.) (2805). Witches Hole: Salisbury Cove, 



-June 13-Aug. A rather scarce species. 

 T. mixtus (Lee.) (2806). Station F137, Sept. 30; Station 



F137, Oct. 5. Xot common. 



Hydrobius Leach 



H. fuscipes Linn. (2808). Station F38G. Scarce. 

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

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



Anacaexa Thomson 



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



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

 taken. 



Paracymus Thomson 



P. despectus (Lee.) (2818). Great Heath, Sept. 8. 



P. subcupreus (Say) (2819). Sea Wall Bog- in Sphagnum. 



Stations F389, and F393. 

 P. digestus Lec. (2825). Sea Wall Bog, July 9. Scarce. 



Enochrus Thomson 



E. ochraceus (Melsh) (2835). Sea Wall Bog in Sphagnum. 

 . Station F386. 



E. perplexus (Lec.) (2836). Scarce. Taken only at the 

 Narrows, Aug. 13, 1930. 



