6 Ashmolean Natural History Society of Oxfordshire. 



*(G. trossulus, Nord. Occurs rarely in wet moss at Yarnton, also at 

 Weston-on-the-Green. ) 

 (G. nigritulus, Grav. , is the commonest species of the genus in the dis- 

 trict. ) 

 **Lathrobium longipenne, Fairm. A single example of this exceedingly 

 rare species was found at roots of Echium vitlgare in a sandy field near 

 Tubney, 29th July, 1909. 

 **Medon apicalis, Kraatz. By evening sweeping at Water Eaton, one 

 example, 9th May, 191 1. 

 Sunius angustatus, Payk. This common species, which abounds every- 

 where in haystacks and vegetable refuse, was accidentally omitted 

 from the " Preliminary List.'' 

 Evaestethus scaber, Grav. Taken in tufts at Bayworth, 13th April. 



1910 {Donisthorpe) : also at Cowley (A. If. ft.) 



Stenus biguttatus, L. One in a tuft on bank of pond, Cothill, 23rd 



January, 1911. 

 *S. ater, Man a. By sweeping near Cothill, one example, 22nd May, 



1909. 

 "**S. nitens, Steph. In flood-refuse, Sparsey Bridge, rare, December, 



1910; also at Weston-on-the-Green. 

 ~S. argus, Grav. In flood-refuse, Wolvercote Paper Mill, sparingly, 



January, 191 1 (J. H. Keys). 

 T S. aerosus, Er. By sweeping at Wood Eaton, sparingly, May, 1911. 

 *Trogophlceus fuliginosus. Grav. In manure-heaps and by sweeping ; 



Wolvercote, rare. 

 *Thinobius linearis, Kraatz. Boundary Stream, Cowley Marsh, one 



specimen, the prey of the Dipteron Hilar a maura, Fab., 27th May, 



191 1 {A. II. II.). 



**Lesteva fontinalis, Kies. On banks of small stream near Wytham, 

 rare, 20th April, 1908 (f. C). 

 Homalium pusillum, Grav. Under fir bark at Besselsleigh, common, 

 November, 191 1 ( /. C). 

 *Proteinus macropterus, Gyll. Water Eaton, March, 191 1 (f. C.) ; also 

 by sweeping at Wytham Park. 



Family Clambidae. 



Clambus pubescens, Redt. Among dry grass at hedge-bottom, Enslow 



Bridge, March, J9io(/. C). 

 C. armadillo, De Geer. In sand-pit at Cumnor, frequent, July, 1910 



(/• C.) 



Family Silphidse. 

 *Agathidium seminulum, L. Cothill, under bark of rotten stump, rare 



July, 1910 (/. C). 

 *Necrophorus interruptus. Steph. In carrion near Enslow Bridge, one 



specimen, 31st August, 1907 (.-/. II. H.). 

 *Choleva coracina, Kelln. By sweeping at Hen Wood, one example, 



1 6th May, 1911. 

 *C. fuliginosa, Er. Taken in mouse-nests, &c, at Wytham, Wood Eaton, 



Yarnton, &c, by Mr. J. Collins, and by myself at Wytham Park 



by sweeping. 



Family Pselaphidae. 



*Bryaxis impressa, Panz, var. unicolor, Collins (Ent. Mo. Mag., 191 1, 

 p. 276). This well-marked variety occurs at Yarnton sparingly with 

 the ordinary form : first taken August, 190S ( /. C). 



