1 IS BIOLOGICAL BURVET OF 



less shining typical lug ens to the extreme form in which the 



upper surface is considerably roughened and opaque with 

 well developed reddish area on the elytra and on the extreme 

 specimens also a reddish area on the thorax and head. 



(i. latelimbus Fall (19250). Never found in numbers. Sta- 

 tions F303; F307; F310; F313; F315; F319; F321; F327; 

 F328; F332; F344; F346; F354; F386; F396; F397. 



G. lecontei Fall (19253). Appears to be the scarce form in 

 the group for but a few were taken at Stations F305; F307 ; 

 F313. All taken in May when the water is very cold on the 

 Island. 



(i. pugionis Fall (19255). A fair number taken at Stations 

 F310; F311; F312; F314; F316; F320; F321 ; F326; F329; 

 F332; FM44; F345; F352; F364; F369. 



(i. fkostt Fall (11)257). Wherever found it occurs in num- 

 bers. Stations F316; F320 ; F321 ; F329; F331 ; F344; F346; 

 F351 ; F352; F359; F360; F361; F369. 



Btdrophilidae. The Water Scavenger Beetles 

 By raking out aquatic vegetation or scraping- the bottom 

 and among reeds is the way to capture these. 



Helophoris Fabrieius 



H. lacustkis Lee. (2743). Station F389. Scarce. 



IT. lixkaiis Say (2750). Great Heath maple grove, Station 



F:!S^. 

 11. aquaticus Linn. (20791). Station F384. Scarce. 

 II. sp. A large number found in wet rubbish Bar Harbor, 



May 2 (Br.). 

 II. sp. Turning stones in Toad Hole Brook, Aug. 26. 



Hydroci's Leach 



II. kxcavatus Lee. (2759). large numbers of these and the 

 two following were taken on dead water plants together 

 probably due to the very low water. Station F388. 



II. rufipes Melsh (2760). See above. 



II. squamifeb Lee. (2764). See above. 



