Report for 1907. 55 
These two species occur occasion- 
Leptacinus parumpunctatus,Gyll. ally on walls and in manure- 
L. batychrus, Gyll. heaps at Summertown, Yarnton, 
&e. 
L. formicetorum, Mark. In nests of /urmica rufa at Tubney ; common 
(Ss Go) 
Medon melanocephalus, Fab. Tubney and Bagley (W. #.). 
Stenus canaliculatus, Gyll. Medley (IY. /.). 
S. vafellus, Er. In wet places; Yarnton, Beckley (W. &). 
S. crassus, Steph. In moss, &c. ; Yarnton, sparingly. 
S. carbonarius, Gyll. In flood-rubbish at Water Eaton, 29th Decem- 
ber, 1907 (/. C.). 
S. nigritulus, Gyll. Wood Eaton and Cassington (W. #.). 
S. nitidiusculus, Steph. Ogley Bog (W. 7). 
*S. solutus, Er. Otmoor (W. 4). 
S. latifrons, Er. In wet tufts of grass; Yarnton ; Wytham (/. C.). 
**Platystethus alutaceus, Thoms. Ina tuft at Yarnton; one example, 
18th April, 1907. 
*Oxytelus insecatus, Grav. Under stones at Gibraltar Quarries ; rare. 
O. inustus, Grav. In dung; generally common. 
**Q,.' fairmairei, Pand. This hitherto rare little species has been taken 
not uncommonly in moles’ nests throughout the district by Mr. J. 
Collins and myself. 
Trogophleeus rivularis, Mots. Taken by Mr. Donisthorpe ; apparently 
not rare. 
T. elongatulus, Er. On river-banks, edges of ponds, &c.; fairly 
common. 
T. corticinus, Grav. In flood-rubbish at Water Eaton, 29th December, 
1907 (/, C.). ; ; 
*Syntomium zneum, Mill. By sweeping on the roadside near Elsfield ; 
one example, 17th June, 1907. 
**Acidota cruentata, Mann. One example of this rare species taken by 
Mr. Donisthorpe in my company, by sweeping at Wytham Park, 
8th November, 1907. 
*Homalium allardi, Fairm. In manure-heap near Yarnton; one exam- 
ple, 27th February, 1907. 
** FT, exiguum, Gyll. In dead rabbit at Tubney, one, 25th May, 1907 ; 
also by sweeping at Summertown, one, 7th June, 1907. 
* 
Famity Clambide. 
Clambus minutus, Sturm, In garden refuse at Summertown ; common. 
FAMILY Silphide. 
**Anisotoma curta, Fairm. One female example of this exceedingly 
rare species taken by sweeping under fir trees at Tubney, 19th October, 
1907. 
**Agaricophagus cephalotes, Schaum. By sweeping at Wytham Park ; 
one example, 13th September, 1907 (H. Sz. /. Donisthorpe). 
FamiLty Pselaphide. 
**Pselaphus dresdensis, Herbst. In dead leaves at Yarnton; one 
example, 24th April, 1907. 
Famity Corylophide. 
Sericoderus lateralis, Gyll. In garden refuse ; Summertown, &c., not 
rare. 
