152 ANNALS OF SCOTTISH NATURAL HISTORY 



D. depressus, F. Dumfries, Kirkcudbright, Wigtown ; common 

 in running water. 



D. i2-pustulatus, Ol. -- Dumfries, R. Annan; Kirkcudbright, 

 R. Nitb, Carlingwark L., R. Dee, etc.; Wigtown; not uncom- 

 mon, but usually only in autumn. 



Hydroporus pictus, F. Dumfries, Racks Moss, Lochar Moss, 

 Bankend ; Kirkcudbright, Maxwelltown L., Clonyard L., 

 Dalbeattie L., Ken Bridge, R. Dee ; Wigtown, R. Cree ; 

 local and not common. 



H. granularis, L. Kirkcudbright, Maxwelltown L., Rockcliffe ; 

 Wigtown, nr. Kirkcowan. Fairly common where it occurs. 



H. lepidus, Ol. Dumfries, Racks Moss, Lochar Moss, Bankend ; 

 Kirkcudbright, Barclosh Peat Moss, Dalbeattie, Duff's L. ; 

 Wigtown, one only, Water of Luce ; abundant in many large 

 deep peat holes, otherwise generally scarce. 



H. rivalis, Gyll. Dumfries, Kirkcudbright, Wigtown, common in 



gravelly streams. 



H. septentrionalis, Gyll. Dumfries, Kirkcudbright, Wigtown ; 



chiefly found in the larger streams in gravelly parts. 



H. davisii, Curt. Dumfries, Well-burn, Moffat ; Kirkcudbright, 

 near Carsethorn (Lennon) ; I failed to find it anywhere about 

 Carsethorn. 



H. lineatus, F. Kirkcudbright, Lochrutton L., and a few ponds 

 about the county ; not common. 



H. tristis, Payk. Dumfries, Kirkcudbright, Wigtown ; peat bogs 

 at any altitude ; common. 



H. umbrosus, Gyll. Dumfries, Kirkcudbright, Wigtown; fairly 



common. 

 H. angustatus, Sturm. Kirkcudbright, Dalskairth, Castle Douglas, 



Dalbeattie ; Wigtown, near Newton Stewart ; only a few 



specimens. 



H. gyllenhalii, Schiodte. Dumfries, Kirkcudbright, Wigtown ; 



the dominant peat-bog species up to about 1000 feet altitude. 



H. morio, Dej. Kirkcudbright, Criffel, etc., the dominant peat- 

 bog species above 1000 feet altitude. 



H. vittula, Er. - - Dumfries, Kirkcudbright, Wigtown ; fairly 

 common. 



H. palustris, L. Dumfries, Kirkcudbright, Wigtown. 



H. incognitus, Sharp. Dumfries, Kirkcudbright, Wigtown ; chiefly 

 in large peat holes in some of which it swarms. 



(To be continued.} 



