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CENSUS AUTHENTICATIONS. 



By W. DENISON ROEBUCK, M.Sc, F.L.S., Hon. Recorder. 



All the records here given are based upon examples submitted to the official 

 authenticators ; myself for slugs only ; Mr. F. Taylor for Pahidestrinida ; and 

 Mr. John W. Taylor for all other species. C. S.V. Coll. — Conchological Society's 

 Voucher Collection. 



Records needed from divided Irish Vice-Counties, — Hitherto the records 

 have been for Donegal, Galway East, Kerry, Cork North, and Cork South. Mr. 

 Praeger's subdivisions of these having been adopted, it is needful that further 

 records be submitted for Donegal East, Donegal West, Galway North-East, Gal- 

 way South-East, Kerry North, Kerry South, Cork North-East, Cork North-Mid, 

 Cork North-West, Cork South-West, and Cork South-Mid. It may be explained 

 as to Cork County that the acceptance of Mr. Praeger's three-fold division into 

 East, Mid, and West does not in the least mean the abandonment of the old two- 

 fold division into Cork North and Cork South. The new lines simply cut across 

 the old ones, and the records needed are therefore for five vice-counties, none too 

 many for so large an area as Cork County. 



I Cornwall West : Phytia myosotis and Ovaiella bidentata from Porthcurnow 



(E. D. Marquand). 

 3 Devon South : Sphyradium edenttilum from Haldon Woods, near Exeter ; and 



typical young Limax arborum, Totnes, 17th May, 1916 (E. D. Marquand). 



6 Somerset North : Hyalinia litcida, Weston, one (J. D. Dean) ; Sphyradium 



edenttilum, Weston-super-Mare (Id.). 



7 Wilts North : Mr. Cecil P. Hurst has presented to the Voucher Collection 



Hyalinia alliaria found in Savernake Forest, 17th April, 1916; and Vertigo 

 antivertigo found on wood floating in the Bedwyn Brook, near Froxfield. 

 Mr. J. H. Adams has sent a few valves of Anodonta cygnea. Pupa viuscorum. 

 Helix pomatia, Helicigoita laticida, Hygromia fusca, Vitrina pellucida, Zoni- 

 toides nitidus, Pupa secale, and Azeca tridens, all from near Marlborough. 



8 Wilts South : Helicella heripensis, Salisbury, one, coll. Edmondson (F. Booth, 



1916). 

 20 Hertfordshire : Mr. Charles Oldham has submitted Pisidium supitium taken 



July 1909, in the Grand Junction Canal at Tring (C.S.V. Coll.). Acroloxus 



lacustris from Northchurch Common. 

 34 Gloucester West : Hyalinia helvetica, English Bicknor, July, 1913, one (A. E. 



Boycott). 

 41 Glamorgan : Zonit aides excavatus var. vitrina, Glyn Neath, one(H. M. Hallett 



per J. D. Dean). Mr. H. M. Hallett has sent a half-grown Limax Jlavus var. 



rufescetts taken at Penarth on 7th Dec, 1916. 



44 Carmarthenshire: Hygromia fusca, Gwnyfail, several, ex H. Brooksbank, 

 19th Oct. 1907 (J. Kidson Taylor). 



45 Pembrokeshire : Vallonia excentrica and V. costata, numerous, Holloway 

 Quarry, Tenby, 1897, A. G. Stubbs (C.S.V. Coll.). 



48 Merionethshire : Mr. Charles Oldham has submitted Vertigo pygmcea, taken 

 at Fegla Fawr near Barmouth ; a few small Physa fontinalis taken at Penmaen- 

 pool ; and two Pisidium cinereum (casertanu?>t) from Arthog, all found gih 

 Oct. 1916. 



