BIBLIOGRAPHY: 
Papers and Records published with respect to the Natural History and 
Physical Features of the North of England. 
LAND AND FRESHWATER ER MOLLUSCA, 1890 and 1891. 
THE present instalment has been compiled and edited by 
WM. DENISON ROEBUCK, F.L.S 
The previous instalments of the Bibbiogiaphe of Land and 
Freshwater Mollusca were published as follows :— 
For 1884-85, in ‘ Naturalist,’ May 1886, pp. 144-149. 
» 1886-87, ps Aug.-Sept. 1888, pp. 247-263. 
» 1888-89, Nov. 1892, pp. 327-335- 
The Watsonian vice-counties are adopted throughout these 
bibliographies as more convenient and uniform in extent than the 
political counties ; those comprised within the North of England are 
the following :— 
53 and 54, Lincoln South and North; 56, Notts. ; 57, Derby ; 
58, Cheshire ; 59 and 60, Lancashire South and West; 61, 62, 63, 
64 and 65, York South East, North East, South West, Mid West, 
and North W.; 66, Durham ; 67 and 68, Northumberland South 
and Cheviotland ; 69, Westmorland with Furness and Cartmel; 
70, Cumberland ; and 71, Isle of Man ; with their adjoining seas. 
Anon. [signed ‘ W. C. S.’]. York Mid W. 
beer 2 we ere at Thorp Arch on July 7th.] N.H. J., Oct. 15th, 1890, 
pes i signed]. Cheshire. 
[Excursion of Man erates Conchological suciery oS n Whit-Monday to 
arple : Zonttes soe ts, Zua, Helix concinna, H. hispida, aa rugosa, 
Z. filous, Z. nitidulus, H. nemoralis, H. hortensis, H. arbustorum, Paludina 
contecta, Pisidiune | nies “ga we ee as si ag As var. vitrina, 
Z. glaber, Carychium, Vertigo » A. aculea to tere and C/ 
laminata noted}. The Con ih. Be ge June, aie ‘ 
Anon. (signed ‘ Yorkshire Post ’]. York Mid ot Derbyshire. 
- Conchological Society, Leeds [with notes on thicken examples 
f Anodonta cygnea found by A. H. Pawson in the Old Nidd near Ripley ; 
and Helix or from Winster, Derbyshire (H. E. Milnes)]. The 
onch., a 29th, 1891, p. 45. 
i = hone Isle of Man, Derbyshire. 
i teie do Hibernating Molluscs burrow? [stating winter experience 
in Isle of Man, and as to Helix arbustorum and H. nemoralis in Derbyshire]. 
Sci. Goss., June 1890, p. 132. 
L. E, ADAMs. York S.W. 
[Exhibition ti fi Penistone, 
Conch. poe J 8th, roo. ds rg Fase aa py p- 239. 
LIONEL E. Manian Derbyshire. 
Conchologist’s Point of View [divided geologically 
into at iPare ch of which is considered in detail and numerous species 
enumerated]. J. of Pree July 1890, pp. 247-250. 
January 1897. 
