Report for 1907. 63 
FaMILy Gyrinide. 
*Orectochilus villosus, Mill. In company with Arychius elevatus in 
Bayswater Brook ; sparingly, June, 1907. 
FamMity Hydrophilide. 
Anacena bipustulata, Steph. In wet places; Wood Eaton (W. 7). 
*Helophorus dorsalis, Marsh. By sweeping at Wytham Park; one, 
22nd April, 1907. 
*H. mulsanti, Rye. Yarnton(W. 7). 
*Hydrochus elongatus, Schall. By sweeping on banks of Cherwell ; 
one, May 6th, 1907. 
FamiLy Staphylinide. 
**Aleochara maculata, Bris. One example of this rare and distinct 
species taken in a tuft of grass at Hen Wood, March 16th, 1907. 
**Oxypoda spectabilis, Bris. In moles’ nests at Wytham ; three exam- 
ples, 23rd March, 1907 (/. C.). 
O. formiceticola, Mark. In nests of the wood-ant (Formica rufa, L.) 
at Tubney; November, 1907, not rare (/. C.). 
**Q, misella, Kr. One example at Tubney, in rabbit-burrow, 7th Au- 
gust, 1907 (/. C.). 
Thiasophila angulata, Er. In nests of Formica rufa at Tubney ; 
November, 1907, not rare (/. C.). 
Ischnoglossa prolixa, Gr. Under bark of oak and ash; Wytham Park, 
sparingly. 
Phlceopora reptans, Grav. In tree fungus, Wytham, scarce, Septem- 
bers.£907) (5 G.): 
**Calodera umbrosa, Er. By sweeping at Cothill; one example, 
25th May, 1907. 
Myrmedonia humeralis, Gr. In nest of Formica rufa; Tubney, 
gth February, 1908 (/. C.). 
*Atemeles emarginatus, Payk. This curious beetle has been taken 
rather freely by Mr. A. H. Hamm in nests of the ant, Afyrmica rubra, 
under stones on Shotover Hill, April and May, 1907. I have found 
it in Bagley Wood with the same ant, and by sweeping at Headington 
Wick Copse, 27th June, 1907. 
Thamiarza cinnamomea, Gr. Taken at Cossws-burrows at Cowley by 
Mr. Donisthorpe, and at Summertown by Mr. J. Collins. 
Notothecta flavipes, Gr. In nests of Mormica rufa at Tubney; not 
rare (A. H. H. and /. C.). 
N. anceps, Er. Withthe preceding, fairly common (/. C.). 
Homalota elongatula, Gr. In damp tufts, &c., at Yarnton: not 
rare. 
H. volans, Scriba. On walls, chiefly in early spring ; not rare. 
H. fungivora, Thoms. In decaying fungi; Wytham Park, &c., 
occasional. 
H. nigella, Er. In moss, damp tufts, &c. ; Yarnton, not rare, spring, 
1907. 
*H, linearis, Grav. In dead sticks, Tubney and Wytham ; occasional 
GaGa): 
*H. debilis, Er. In moss and damp tufts ; Yarnton, occasional. 
**H, laticeps, Thoms. One example of this very rare species taken 
by the late Mr, A. J. Chitty by sweeping at Cothill, 30th September, 
1905. 
