28o ashford: the shells of the "lower tees" district. 



Zonites nitidulus Drap. General in south (J. W. W.). Com- 

 mon in north (C. A.). 

 Z. purus Aid. Coatham Whin and Yearby Wood (C. A.). 



General in south (J. W. W.). 

 Z. purus var. margaritacea. Wilton Wood (C. A.). 

 Z. radiatulus Aid. Coatham Whin (C. A.). Pastures, Gt. Ayton 



(J.W. W.). 

 Z. crystallinus Mull. Coatham Whin, Yearby Wood and 



Wilton Wood (C. A.). General in south (J. W. W.). 

 Z. fulvus Mull. Coatham Whin, Yearby Wood and Wilton 



Wood (C. A.). General in south (J. W. W.). 

 Helix lamellata Jeffr. Airyholme Wood (D. and W.). Wilton 



Wood (C. A.). 

 H. aculeata Mull. Coatham Whin and Yearby Wood (C. A.). 



General in south (J. W. W.). 

 H. aspersa Mull. Common throughout district. , 

 H. nemoralis L. General; especially abundant on sandhills 



by the sea (C. A.). 

 H. nemoralis var. hybrida Poiret. Crathorne and Hutton 



Rudby (J. W. W.). 

 H. rufescens Pennant. General round Ayton (J. W. W.). . 

 H. concinna Jeffr. Coatham sandbanks (J. W. W.). 

 H. hispida L. In profusion on the Redcar sandhills (C. A.). 



Common everywhere (J. W. W.). 

 H. fusca Mont. Airyholme Wood (J. W. W.). Wilton Wood 



(C. A.). 

 H. virgata Da Costa. Sandhills along coast from Warrenby 



to Marske, in profusion near Coatham (C. A.). 

 H. caperata Mont. Sandhills, Coatham to Marske, abundant 



(C A.). 

 H. caperata var. ornata Picard. Coatham sandhills, not 



common (C. A.). 



J.C, iii., January, 1882 



