276 MILNES: LAND AND FRESHWATER SHELLS OF DERBYSHIRE. 



Miller's Dale (R. Standen) ; common about Derby 



(T. Hey,y. of Conch., vol. vi., p. 119). 

 H. draparnaldi var. albina (Moq.). Miller's Dale (R. 



Colville). 

 H, glabra (Stud.). Northern Dale and Wensley (H. E. 



Craven); Matlock (T. Hey). Common. J. of Conch., 



vol. vi., p. 119. 

 H. alliaria (Miller). Matlock (H. E. Craven) ; Winster 



H. Milnes) ; Repton (J. Hagger and T. Hey, J. of 



Conch., vol. vi., p. 119). Darley Dale (R. Standen, y". ^ 



Conch., vol. iii., p. 333). Common. 

 H. alliaria var. viridula (Jeff.). More common than the 



type in the neighbourhood of Buxton — as three to one 



(L. E. Adams, y; of Conch., vol. vi., p. 248). 

 H. nitidula (Drap.) Matlock (H. E. Craven); Winster 



(H. IN'Iihies and J. H. Howe); Chellaston and Willington 



(T. Hey, J. of Conch., vol. vi., p. 119). Darley Dale 



and Miller's Dale (R. Standen). Common, 



Mr. P. B. Mason, of Burton-on-Trent, mentions 



having taken specimens of H. 7iitidida var. helmi at 



Miller's Dale. 

 H. radiatula (Alder). Repton (J. Hagger); Ambergate 



(T. Hey, /. of Conch., vol. vi., p. 119). Matlock (H. E. 



Craven). Rare. 

 H. pura (Alder). Matlock (H. E. Craven); Little Eaton 



(T. Hey, J. of Conch., vol. vi., p. 120). Abundant at 



Deepdale, (L. E. Adams, J. of Conch., vol. vi., p. 248). 



Abundant at Matlock (G. W. Chaster, September, 1892), 

 H. pura var. margaritacea (Jeff.). Abundant at Matlock 



(G. W. Chaster, September, 1892). 

 H. crystallina (MiilL). Abundant at Matlock (H. E. Craven); 



Winster (H. Milnes); Miller's Dale (R. Colville and R. 



Standen); Repton (J. Hagger) Common (T. Hey,-y; of 



Conch., vol. vi., p. 120). 



J.C, vii.jOct. 1893. 



