19:^1.1 :^5 



*A))tnm cunve.viuscula Marsh. Llaiiniadoc, Aug. I9l7 (David) ; *A. bifrons 

 (iyll. Khosilli, in July (/. W. Allen) ; Llauiuadoc, in August (David); 

 *A. continiui Tli. Llaugeiiydd Euvrows, April 1915 (J. W. Allen). 

 * A nchomemis oblongus F. C\vrt-yr-ala, July 1913 (Hallett) ; *A. atralm Duft. 

 Penarth, Sully, and Lavernock, iu winter (Halk4t) ; * A. gracilis Gyll. 

 Llandaff, Jan. 1917 (David). 

 * Uembidium quinquestriatum Gyll. I'enartli aud Sully in autumn (Hallett) ; 

 *B. assijnile Gyll. Oxwich IJay and Llaurhidiau Mar.sli, common in 

 marsliy ground, April to August ; *B. clarki Dawson. Penarth aud 

 Sully in late autumn (Hallett) ; *B. doris Pz. Oxwich Bay, May to 

 i wly (Wakejield^- Toinlin) ; *B. normannwn Dej. Oxwich Bay, com- 

 mon, April to August ; *B. lampros Hbst. var. velox Er. Crawley 

 Wood, o.ne (Wakefield); *B. affine Steph. Bhosilli Bay, in April 

 (J. W. Allen) ; B. testaceum Dixit. A. single example at Portueath- 

 vaughan in river shingle, 14.8.16 ; *B. bruxellense Wesm. Candlestou, 

 23.4.16 (Hallett) ; *B. adustum Sell. Uawson in his "Geodeph. Brit.," 

 p. 197, introduces this species under the name of B. rupestre to the Brit. 

 List, on the strength of examples in the StephensiiUi collection said to 

 have been taken at Swansea. See Blatch in " Midland Naturalist," ii, 

 212. 

 Tuehypus pallipes Uuft. Broughton Burrows, very common iu June (Wake- 

 field) ; Kenfig Burrows, common Juno to August (Z>fl!;«W) ; Llanmadoc, 

 May 1920. 

 *Fatrobus assimilis Uhaud. Not uncommon under stones b}' the R. Perddyu at 



Pontneathvaughan in summer. 

 *l'o(jonus littoralis Duft. Llanrliidian Marsh, in April [J. W. Allen) ; Oxwich 



Bay, in April and May, not uncommon mixed with P. chalceus. 

 ^Dromius quadrinotatus Pz. Locally abundant under bark for most of the year 



from Penarth to Sully (Hallett); Llandaff (David). 

 * Haliplas fiuviatilis Aube. Kentig Pool, March 1914 (Hallett). 

 * Hydrovatm chjpealis Sharp. One at Oxwich, 27.4.18 ( Wakefield). 



Deronectes latus Steph. Common iu a stream on lihosilli Down, May 1920. 

 *Hydt'oporus davisi Curt. Very common in summer in rock-pools by the 

 R. Perddyn, Pontneathvaughan ; *H. yyllenhali Sch. Bog-pools on 

 Pthosilli Down in May ; *H. rufifrons Duft. Porthcawl (Hallett) ; 

 *H. niyrita F. Crynant, common in March (J. W. Allen) ; I'ontneath- 

 vaughan, common in summer in river shingle ; *H maryinatus Duft. 

 Swansea ( If akefield). 

 *Agabus affinis Pk. One at Crynant in March (J. W. Allen). 

 *Rhantus bistriatus Berg. One on the hills above Crynant at 1000 ft. (J. W. 



Allen). 

 *Gyrinus opucus Sahib. Penarth, Jan. 1914 (Hallett). 

 *Bhilydrusfuscipennis Th. Bog-pools on lihosilli Down, May 1920. 

 *Faracynius nigroaeneus F. Crynant, one, 28.3.14, and bog-pools on Rhosilli 



Mountain, April 1915 (/. W. Allen). 

 *Laccobius oblongus Gorham. Crynant, in March (Id.) ; L. minutus L. Com- 

 mon iu summer at Crwmlyn Bog, Oxwich, Kenhg Pool, and Candlestou 

 *L. regularis Rey. Llaugenydd (/. W. Allen) ; bog-pools on Rhosilli 

 Down, May 1920. 



