COCKERELL: SPECIMENS IN THE BRITISH MUSEUM. 



229 



Vo; 



Bythinia tentaculata. 

 Bythinia leachii. 

 Valvata piscinalis var. depressa. 

 Helix caperata. 

 Helix fusca. 

 Helix aculeata. 

 Helix pulchella. 

 Helix lamellata. 



Sty lifer ttirtoni, Durham. 



Aporrhais pespelemni, Yorks. 



Littorina rudis var. jugosa, 

 North of England. 



Chiton cinereiis^ Whitby. 



Chiton ruber ^ Cullercoats. 



Diaphana \_Utriculiis\ hyalina, 

 Cullercoats (J. Alder). 



Atys utriculus, Berwick. 



Helix nemo7'olis [var. libeliula 

 ....], Malton (T. Glover). 



Helix nen I oralis [vars. libedula 

 and petivcria 12345], Lytham, 

 Lanes. 



Helix 7ienioralis 123 x 45, Nor- 

 ton, Yorks. 



Helix hortensis 123x45, ]Mal- 

 ton, Yorks. 



Helix rufescens, Preston (D. 

 Cooper). 



Helix hispida^ Preston. 



Helix sericea [granulata], New- 

 castle. 



Helix rupestris, Yorks. 



Hyalinia excavata and H. 

 nitidula var. helniii, Preston. 



Hyalinia nitidula, Newcastle 

 (J. Alder). 



Hyalinia glabra (Jeffreys), 

 Preston. 



Zua [Azeea~\ tridens, Newcastle. 

 Vertigo edentula, Newcastle 

 and Preston. 



Aug. i8S8. 



K. 



Hyalinia cellaria. 

 Vertigo a?igustior. 

 Succiftea putris. 



Physa fontinalis [very pale 

 variety]. 



Planorbis spirorbis. 

 Ancylus oblongus \lacustris\ 

 SphcBrium rivicola. 



Vertigo niinutissima, Durham. 

 Vertigo substriata, Preston. 

 Vertigo pygmcea, Yorks. and 

 Preston. 



Clausilia rugosa var. [nearly 

 smooth], Newcastle; var. dubia, 

 Preston and Yorks. 

 Acfne lineata, Preston. 

 Limncea peregra var. [lacusfris\ 

 i Cumberland; var. [small and 

 I thin], Westmorland, 

 i Physa fontifialis. Lake Hawes- 

 water. 



Planorbis jnarginatus monst. 

 \terebruni\, Rochdale. 



Planorbis fontanus, Rochdale. 

 Planorbis dilatatus, Man- 

 chester. 



Ancylus fiuviatilis^ \\xstmor- 

 land ; var. \albida\ near Bolton 

 Abbey. 



Sphariuni lacustre, Yorks. 

 Pisidiuni henslowanuni^ Pres- 

 ton. 



Solen ens is, Liveri)ool. 

 Limnica glabra, Birkenhead. 

 PanopLca noiTegica, Dogger 

 Bank. 



Anodonta cygncca var. [^zellensis\ 

 Liverpool, 

 j Arion ater [var. albolateralis\ 

 j Isle of Man. 



