ROEBUCK : CENSUS AUTHENTICATIONS. 277 



21 Middlesex. — Physa acuta, river Brent, near Hendon, July, 1917, first time in 

 a " natural " habitat (J. E. Cooper). 



23 Oxfordshire — Anodo7tta anatina, two, and a few Pisidiiim supiinim, Oxford 

 Canal near Bletchington Station ; Agrioliiiiax lavts, one, and numerous Opeas 

 goodalli, Headington Hill gardens, 26th Sept., 1917 ; Faludestrina jenkinsi, 

 Kidlington, 1st Oct., 1917, numerous; Milax sowerbyi, cottage garden in East 

 Oxford, 9lh Aug., 1917, one juvenile ; Sphariiitii lacustre and Pisiditim stib- 

 iriincatiun, a few each, old brick-yard, Headington Quarries, 12th Aug., 1917 

 (L. Dawes). 



24 Bucks. — Paludestrina jenkinsi, Denham, numerous (J. E. Cooper, June, 1917) '■> 

 Sphmrium pallidum, brook, outlet from Grand Junction Canal at Marsworth, 

 one valve, 28th May, 191 7 (C. Oldham). 



30 Bedfordshire.- — Helicella keripensis,one, Studham, 4th Nov., 191 7 (C. Oldham). 



36 Herefordshire. — Helicella heripensis. West Malvern (J. R. le B. Tomlin, gth 

 July, 1917; C.S.V.C). 



38 Worcestershire. — Sphitrium pallidum, canal lock, Stourport, one, 15th Oct., 

 191 7 (C. Oldham). 



40 Shropshire. — Limax arbonim, type, Haughmond Abbey Woods, 14th Oct., 

 1917, one (W. T. Elliott). 



41 Glamorganshire. — Mr. D. Bacchus has submitted a half-grown J/Z/^x^a^a/ej- 

 var. rava, found 2nd Oct., 1916, under a stone on a sandy bank within twenty 

 yards of the beach at Sully. Zonitoides excavatus, Glyn Neaih, one, var. 

 vitrina (H. JNI. Hallett and J. D. Dean, 22nd Feb., 191 7). Helicella heripensis. 

 Sully, 20th Sept., 1917 (J. D. Dean). 



74 Wigtownshire. — Mr. A. Ross, of Glasgow, has presented to the Voucher- 

 Collection a few Succineaelegans taken in Physgill Burn near St. Ninian's Cave, 

 and two exceedingly thin-shelled immature but nearly grown Helicigona arbus- 

 loruni var. pallida from the Isle of Whithorn, 17th July, 1916 ; also three Pupa 

 anglica from a road plantation between Isle of Whithorn and Port William, 

 1st August, 1916. A new worker, Mr. J. G. Gordon, of Corsemalzie, near 

 Whauphill, has submitted a series of twenty-one species, which he collected 

 in the years 1909 to 191 1, including five new county records as follows: 

 Limmra palustris, several much eroded examples of m. dccollatum from Loch 

 Lennows ; several Planorbis albas and a few PI. conloriiis from Loch Chesney ; 

 a number of Sphitrium corneum from both these lochs, and also from the Malzie 

 Burn at Corsemalzie ; and a few eroded examples of Bithynia tentaculata from 

 the burn last named and from Loch Elrig ; also Liinax arborum, type, taken 

 1st Sept., 1916, in a wood near Corsemalzie. 



86 Stirlingshire. — Planorbis fontanus, Falkirk, nth Oct., 1917 (G. Nelson). 



91 Kincardineshire. — Helix ncmoralis, St. Cyrus, a few var. libellula 12345 and 

 two 10345 (Rev. G. A. F. Knight). This record is interesting as further 

 defining the northern limit of the species in Britain. 



92 Aberdeenshire South. — Limax cinereo-niger vars. luctuosa and maura. 

 Tangle Glen, Aboyne, 28th June, 1917 (Miss J. Gowan). 



94 Banffshire. — Plygromia fusca, one, Zonitoides nitidiis, three, 21st July, 1917, 

 Tochieneal near CuUen ; Succinea putris at CuUen, numerous, close to sea, 

 25th May, 191 7 ; Planorbis crista var. Itvigaia and Pisidium milium, pond in 

 Cullen House grounds, 24th Aug., 1917 ; P. piilchclliim, Vallonia pulchella, 

 and Vertigo pygmu-a, Sandend Links, Fordyce, 27th Aug., 1917 ; Planorbis 

 albus, numerous, P. contortus, a few, Cullen House grounds, Rathven, 13th 



