58 INTRODUCTION. 



George Johnston, M.D. 



A List of the Pulmoniferous Mollusca of Berwick- 

 shire and North Durham. Trans. Berwickshire 

 Nat. Hist. Soc. 1838, p. 154. 

 Joseph Kenyon. 



Land and Fresh- water Shells in the neighbourhood 

 of Preston (Lancashire). Loudon's Mag. Nat. 

 Hist. ii. 273. 303. 

 Remarks on British Land and Fresh-water Shells. 

 Loudon's Mag. Nat. Hist. i. 425. 

 J. Laskey. 



Account of North British Testacea. Mem. Wern. 

 Soc. i. (1811) 370. 

 John Latham, M. D. 



Observations on the Spinning Limax. Linn. Trans. 

 iv. 84. 

 W. E. Leach, M.D. 



Synopsis of British Mollusca, &c. London, 1820. 



8vo. ; not yet published. 

 Only two or three copies of this work are known 

 to be in existence; one in possession of Mr. Curtis, 

 and the other of Mr. Bell. I have not seen it, but 

 quoted it after Dr. Turton. 

 C. H. Leigh. 



Natural History of Lancashire, Cheshire, and the 

 Peak in Derbyshire. Oxford, 1700. fol. 



J. LlGHTFOOT. 



An Account of some British Shells either not duly 

 observed, or totally unnoticed by authors. Phil. 

 Trans. (1786) lxxvi. 160. 



Martimis Lister. 



Historiae Animalium Angliae, &c. Lond. 1678. 4to. 



