136 Browne: The Aquatic Coleoptera of the Isle of Man. 
H. vittula Er. Andreas; Ballaugh; Jurby; Lezayre ; 
Michael. 
H. palustris L. Andreas; Ballaugh; German; Jurby; 
Lezayre ; Michael; Patrick. 
H. incogmtus Sharp. A number in Dr. Bailey’s collection 
mixed with H, palustris, but I overlooked the localities ; 
Ballaugh ; Jurby; Lezayre. 
H. erythrocephalus L. Andreas; Ballaugh; Jurby; 
Lezayre ; Patrick. 
H. celatus Clark. Mallew (S. Barrule) ; Rushen (Mull Hill), 
and ‘ Sound’ (?) (Bailey). 
H. melanarius Sturm. Ballaugh and Lezayre (fairly com- 
mon, 800-950 ft.). 
H.memnonius Nic. Andreas; Ballaugh; German; Jurby 
Lezayre. 
H. obscurus Sturm. Ballaugh (a single specimen in the 
Curragh). 
H. migrita F. Rushen (Bradda, Mull Hill, etc.) (Bailey) ; 
German ; Lezayre. 
H. discretus Fairm. Rushen (Surby and Bradda) (Bailey) ; 
German ; Lezayre. 
H. pubescens Gyll. Rushen (Bradda and Mull Hill) (Bailey); 
Andreas ; Ballaugh ; German; Jurby; Lezayre. 
H. planus F. Rushen (Cronk Mooar and Kentraugh), 
(Bailey) ; Andreas; Ballaugh; Jurby; Lezayre. 
H. lituvatus F. Bride (Point of Ayre); Rushen (Cronk 
Mooar, Fleshwick, Mull Hill and Scholaby), (Bailey) ; Andreas ; 
“Ballaugh ; German; Jurby ; “Lezayre. 
H. obsoletus Aubé. Lezayre (Snaefell, 2 specimens ‘ 1906 ’) 
(Bailey). 
Agabus guttatus Payk. ‘Common in Rushen,. 1902’ 
(Bailey) ; Ballaugh ; Lezayre; Patrick. 
A. biguttatus Ol.  Rushen (Surby, 1902, one specimen) 
(Bailey). 
A. paludosus F. Mallew (Ballakilley) ; Rushen (Cronk 
Mooar) (Bailey) ; Andreas; Mallew. 
A. nebulosus Forst. Andreas; Ballaugh ; Jurby; Michael. 
A. femoralis Payk. Andreas, one specimen). 
A. sturmit Gyll. Rushen (Colby R., Kentraugh) (Bailey) ; 
fimby ; Lezayre; sPatrck: 
A. chalconotus Panz. Rushen (Bradda, Cronk Mooar, 
Fleshwick and Mull Hill) (Bailey); Andreas; Ballaugh ; 
German, s|iiye ieezayne: ; 
A. bipustulatus L. Arbory (Balladoole) ; Lezayre (Snae- 
fell) ; Rushen (Cronk Mooar and Mull Hill, and two red spec- 
mens, Bradda) (Bailey); Andreas; Ballaugh; German ; 
Jurby ; Lezayre ; Michael; Patrick. 
(To be continued ). 
Naturalist, 
