JACKSON : BnU.IOGRAl'HY OF NO\-MARINK MOI.T.USCA OF LANCASHIRE. "]"] 



1887. Heathcote, W. H. — Exhibits. /. Conch., v., p. 205. 



Bythinia tetitaciilata, curiously and extensively eroded, from 

 Tarleton, S. Lancashire ; Helix hispida and var. albida from Pen- 

 worthan ; Cochlicopa lubrica var. hyalina from Morecambe, W. Lanes. 



1887. Rogers, Thos. — On Planorbis dilatatus, PI. glaber and 

 Sphferium ovale. J. Conch., v., pp. 218-220. 



Their introduction into canals near Manchester and at Burnley, 

 and the conditions under which they flourish, 



1888. Hanitsch, Richard. — -Contributions to the Anatomy and 

 History of Limax agrestis. Proc. Liverp. Biol. Soc, ii., 1887-8, 

 publ. 1888, pp. 152-170, and plates 10-12. 



Based on examples from an old quarry near Liverpool, near the 

 " Calderstones " ; habitat stated and anatomy described. 



1888. Fitzgerald, F. R. — Exhibits. J. Conch., v., p. 272. 

 Limncea stagnalis from Burnley and Manchester. 



1 888. Taylor, J. W. — Unio pictorum var. latior Jeffr. in Lanca- 

 shire. J. Conch., v., p. 331. 

 One found in the canal at Burnley by F. C. Long. 

 1888. Roberts, Geo. — Sphaerium rivicola var. flavescens Pascal. 

 Sci. Goss., 1888, p. 91. 

 From Lancashire. 

 1888. Cockerell, T. D. A.— North of England Specimens in the 

 British Collection at the British Museum. N'ahiralist, 1888, 

 pp. 227-229. 

 Includes Helix nemoralis vars. libellida and petiveria 12345 from 

 I^ytham ; H. rufescefis, H. hispida ; Zonites excavatus, Z. nitidulns 

 var. . helmii, Z. glaber ; Vertigo edentula, V. substriata, V. pygmcea 

 Clausilia dubia, Acme, and Fisidium henslowianuin from Preston 

 Planorbis niarginatiis m. terehriun, and PI. fontamis from Rochdale 

 PI. dilatatus from Manchester ; Anodonta cygticea var. zellensis from 

 Liverpool, with particulars. 



1888. Wildman, J. Russell. — Helix nemoralis var. scalariforme. 

 Sci. Goss., 1888, p. 209. 

 Near Burnley. 

 1888. Wildman, J. Russell.— Planorbis dilatatus. Sci. Goss., 

 1888, pp. 209-210. 

 In a pond and in the canal at Burnley, associated in the pond with 

 Plajiorbis glaber, P. albus, and Bythinia leacJiii, and a growth of 

 Potamogeton crispiis and Elodea cana.iensis ; details of habitats and 

 opinions on the "introduction" question given at length. 



1888. Long, F. C— A Queer Place for Shells. Sci. Goss., 1888, 

 p. 281. 



