JACKSON : ftlBLtOGRAPttY OF NON-MARINE MOLLUSCA OF LANCASHIRE. I27 



Bythinia leachii found by Hargreaves in the Bolton Canal near Man- 

 chester ; and Pisidium nitidum var. globosum, Swinton (T. Rogers). 



1893. Heathcote, W. H. — Acicula lineata var. alba Jeffreys. 

 Set. Goss., 1893, p. 47. 

 At Fleetwood, July and Sept., 1890. 



1893. Dixon, J. B. — -Exhibits. J. Conch., vii., p. 136. 



Vertigo pusilla, Cyclostoma elegans, Balea, and Clausilia dubia, from 

 Silverdale, Lancashire. 



1893. Heathcote, W. H. — Exhibits. J. Conch., vii., p. 136. 

 Anodonta cygnea, 8-9 inches, from Claughton, Lancashire. 



1893. Wigglesworth, R. — Exhibits. /. Conch., vii., p. 207. 



Sphceriuni corneum and Liinncea peiegra from Clayton-le-Moors, 

 near Accrington. 



1893. Collinge, Walter E. — The Slug-Fauna of Lancashire. The 

 Conchologist, ii., p. 148. 



List of eleven spp. and thirteen varr. from Knowsley nr. Liverpool. 



1894. Taylor, John W. — A Monograph of the Land and Fresh- 

 water Mollusca of the British Isles. Leeds ; [in progress]. 



Numerous Lancashire references. 



1894. Stephenson, Isaac [Report Secretary] — Accrington Natu- 

 ralists' and Antiquarian Society. Sci. Goss., 1894, p. 166. 

 Notes on Helix arbustoruni and varieties at Barlow Moor Wood 

 near Manchester, Clitheroe, etc. 



1894. Long, F. C. — A Conchological Ramble. Sci. Goss., 1894, 

 pp. 227-228. 

 Notes on numerous land and freshwater shells collected in the 

 neighbourhood of Whalley. 



1894. Jones, K. Hurlstone. — Albinism in Mollusca, and the 

 Tendency to the Phenomenon in 1893. ^^'^^- -^ai-, 1894, p. 121. 

 Discussed at Manchester Conchological Society ; details given as to 

 Planorbis corneus at Birch. 



1894. M[osley] S. L,— Monstrosities of Shells. Nat.Joum., 1894, 

 p. 137, and woodcut. 

 Gives figures of Limncea stagnalts from Ashton, Lancashire, scalari- 

 form and with expanded lip. 



1894. [Chaster, G. W.]— Exhibits. /. Conch., vii., p. 367. 

 Paludina contecta from Southport. 



1895. Briscoe, J. Potter.— Helix nemoralis as Ornament. Set. 

 Goss., 1895, p. 138. 



Note that towards the close of the '50's, or beginning of the '6o's, 

 necklaces of them were sold in large numbers at Southport. 



