58 Ashmolean Natural History Society of Oxfordshire. 
*B. saxatile, Gyll. ‘‘Oxford” (/. W. S.). 
B. littorale, Ol. In flood-rubbish, tufts, &c. ; occasional. ‘* Captd., 
Oxford, 1819, and perhaps the most common of the genus, taken at 
the roots of grass” (&. W. /7/.). 
B. punctulatum, Drap. Port Meadow (/. W. S.). 
B. flammulatum, Clairv. In damp places, flood-refuse, &c., not rare : 
Port Meadow, Water Eaton, Yarnton, &c. 
Tachypus flavipes, L. In dead leaves, &c., not common; Wytham 
Park ; Cowley(W. 7. S.). ‘* Taken at Oxford, 1819” (7. W. #.). 
*Trechus discus, F. ‘‘ Wheatley” (/. W. S.). 
T. minutus, F. Under stones, dead leaves, &c., common. ‘ Taken at 
Oxford, 1819” (7. W. #.). 
T. obtusus, Er. With the preceding, scarce ; Yarnton, &c. 
Patrobus excavatus, Payk. Under logs, &c., not common ; Wytham 
Park ; Boar’s Hill (W. #7.) ; Bagley (7. W. S.). 
[Pogonus chalceus, Marsh. ‘“ Takenat Oxford in 1820” (7. W. #.). 
I much doubt the occurrence of this strictly maritime species so far 
inland. ] 
*Lebia chlorocephala, Hoff. In tufts of grass and under willow-bark, 
not rare in winter; Bagley Wood, Boar’s Hill, Ogley Bog, Shot- 
over, &c. 
Demetrias atricapillus, L. In tufts of grass, &c. ; generally common. 
Dromius linearis, Ol. With the preceding, common. ‘‘ Took one at 
Oxford in 1819. I took this species in December in incredible numbers 
in 1821” (7. W. Z.). 
D. agilis, F. Chiefly under loose bark ; Bagley Wood, not rare. 
D. meridionalis, Dej. Under bark, &c. ; generally common. 
D. quadrimaculatus, L. Under bark, &c., not rare; Bagley Wood, 
Wytham Park, &c. 
D. quadrinotatus, Panz. With the preceding ; generally common. 
D. melanocephalus, Dej. In tufts of grass, among dead sticks, &c., 
common. 
Blechrus maurus, Sturm. In tufts, under bark, &c., not rare ; Wytham, 
Yarnton, &c. 
Metabletus foveola, Gyll. In tufts, flood-rubbish, &c.; not rare and 
generally distributed. 
M. truncatellus, L. With the preceding; Wytham Park, &c., fairly 
common. 
Brachinus crepitans, L. Cowley (/. W.S.). 
* 
FAMILY Haliplide. 
*Haliplus confinis, Steph. In ponds and stagnant water; Tubney, 
Yarnton, &c., common. The var. pallens, Fowler, has been taken 
at Yarnton. 
. flavicollis, Sturm. In the Cherwell, near Summertown ; occasional. 
. variegatus, Sturm. In stagnant water; Yarnton, &c., not rare. 
. cinereus, Aubé. In wet refuse on bank of pond, Cothill, scarce. 
. ruficollis, De G.’ Instagnant and running water ; generally common. 
. fluviatilis, Aubé. In ditches ; King’s Weir and Binsey (W. /.). 
. lineatocollis, Marsh. In ditches, &c., generally common. 
+ 
jegengengengengen 
FAMILY Dytiscide. 
Noterus sparsus, Marsh. In water among weeds; generally common. 
Laccophilus obscurus, Panz. With the preceding, common. 
Hyphydrus ovatus, L. In standing and running water, not rare 
“* Taken in the Cherwell river at Oxford in 1819” (7. W. #.). 
