JACKSON : BIBLIOGRAPHY OP NON-MARINE MOLI.USCA Of LANCASHIRE. I55 



1905. Dean, J. Davy, and Jackson, J. Wilfrid. — Notes on a 



Chara and Shell-Marl Deposit, at Haweswater, Silverdale, 

 Lancashire. J. Conch., xi., pp. 147- 151. 

 List of species living in the district given for comparison. 



1905. Dean, J. D.— Exhibits. / Conch., xi., p. 153. 



Limncea peregra and Pisidium pusillum from Knott Hollow, Ulver- 

 ston ; and three freshwater species from Bank Well, Silverdale. 



1905. Jackson, J. Wilfrid. — Exhibits. /. Conch., xi., p. 158. 



Pisidium nitidum var. splendens, P, obtusale, and P. gassiesianum, 

 from Haweswater, Silverdale. 



1905. Baldwin, J. W. — Exhibits. /. Conch., xi., p. 159. 

 Limncea stagnalis, labiate form, from Pit Tvane, near Radcliffe. 



1905- Jackson, J. Wilfrid. — Pisidium nitidum var. splendens in 

 West Lancashire. J. Conch., xi., p. 170. 

 Taken at Haweswater, Silverdale, with other Pisidia ; species also 

 constitutes record for District 60 of Census. 



1905. Standen, R. — Vivipara contecta (Millet) m. sinistrorsum. 

 J". Conch., xi., p. 224. 

 Dr. Alcock's specimen collected at Southport in 1864, placed on 

 record. 



1905. Knight, Rev. G. A. Frank. — On the Phenomenon of 

 Sinistrorsity in the MoUusca. Trans. Perth Soc. Nat. Sci., iv., 

 pt. ii., Nov. 17th, 1905. 



Numerous Lancashire references. 



1906. Moore, C. H. — Exhibits, y. Conch., xi., p. 266. 



Vitrea cellaria, Jaminea cylindracea, and three species of Vertigo 

 from Grange-over-Sands ; Vertigo pusilla and V. alpestris from Cark. 



1906. Jackson, J. Wilfrid. — Exhibits. /. Conch., xi., p. 268. 



Planorbis dilatatus (Pendleton) ; Paludestrina taylori (Fairfield) ; 

 Physa heterostropha, (near Ashton) ; and series of Paludestrina 

 Jenkinsi and var. carinata from many Lancashire localities. 



1906. Hardy, J. Ray.^Exhibits. J. Conch., xi., p. 273. 



Ancylus fluviatilis from stonS" water-pipes taken up in Manchester 

 in 1876. 



1906. Moore, C H. — Exhibits. J. Conch., xi., p. 317. 



SphcBrium pallidum, Valvata piscinalis, Paludestrina jenkinsi and 

 var. carinata from pond at.Droylsden, Lancashire. 



1906. Baldwin, J. W. — Exhibits. J. Conch., xi., p. 318. 

 Bythinia tentaculata var. albida from the Bolton Canal. 



