314 HEY : L. AND F. W. SHELLS OF YORKSHIRE. 



Helix ericetorum. Flambro' Head. 



W7ute var. Bempton. 

 H. rotundata. Common everywhere. 

 H. rupestris= Arn cliffe. 

 H. pygmaea. Guisborough Woods. 

 H. pulchella. Common at York. 



Var. costata. Brotton. 

 H. lapicida. A wall near Rievaulx x\bbey in abundance. 

 Bulimus obscurus. Scarborough, Speeton and Brotton. 

 Pupa umbilicata. Scarborough, Speeton, Guisborough, &c. 

 P. muscorum, Redcar sandhills in profusion; Danes Dike. 

 P. ringens. Scarboro' cliffs, not rare. 

 Vertigo pygmaea. York; Speeton. 

 V. substriata. Guisborough Woods, not rare. 

 V. edentula. Ouse rejectamenta. 

 V. antivertigo. Askham Bog in plenty. 

 V. pusilla. Guisborough, very scarce. 

 Balia perversa. Richmond in plenty; Saltburn. 

 Clausilia nigricans. Common at York, Arnechffe, 6-0. 



C. laminata. Rievaulx Abbey and in the Ouse rejec- 

 tamenta. 



Cochlicopa lubrica. Everywhere. 



C. tridens. Woods at Richmond; Guisborough, scarce. 



Achatina acicula. Sometimes in plenty in the Ouse 

 rejectamenta at York. 



Carychium minimum. Very common about York, 

 Guisborough, 6-c, 



Acme lineata. Hackness Woods, Scarboro'. 



J.C.ii., Oct., 1879 



