HELIX HORTENSIS. 341 
Var. depressa Bandon. 
Helix hortensis var. depressa Baudon, Journ. de Conch., 1884, p. 236. 
SHELL very depressed and flat. 
ENGLAND. 
Devon N.—Ilfracombe (Beeston and Wrielit, le. ). 
Northampton — Almost like Helix itala in form, 
Northampton road, Kettering, Sep. 1907! C. E. Wright. Nees : 
Pembroke—Tenby, July 1905! Rev. H. Milnes. Pe ane id eared aioe "SY 
Lancashire S.—Altham, June1890! R. Wigglesworth.‘ Reteriie (Mr. C. E. Wright). 
CONTINENTAL DISTRIBUTION. 
France—lecorded by Picard for the Somme ; by Baudon fron: Mony, Oise; and 
by Bouillet from Mont Dore, Puy de Dome. ~ 
Belgium —A planorboid specimen found at Dinant, Namur, by Van den Broeck. 
Var. perforata Westerlund. 
Helix hortensis var. perforata Westerlund, Exp. Crit., 1871, p. 40. 
Hleltx hortensis var. umbilicata Crowther, Sci. Goss., 1883, p. 6. 
SHELL with a more or less open umbilicus. 
The var. perforata does not possess the heavy umbilical callus, and therefore 
shows an open umbilicus. 
York Mid W.—Tadeaster (Crowther, op. cit.). 
CONTINENTAL DISTRIBUTION. 
Sweden—Among junipers near Wamlingbo Church, Island of Gothland (Wester- 
lund, le.). It is described as distinetly umbilicate, and the shell as havine the 
five normal bands. 
ENGLAND. 
Var. subearinata Picard. 
Helix hortensis var. subcarinata Picard, Moll. Somme, 1840, p. 216. 
SHELL subcarinate, the angulation being most perceptible towards the aperture. 
CONTINENTAL DISTRIBUTION. 
France—Described from specimens found in the department of the Somme. 
VARIATIONS IN SUBSTANCE OF SHELL. 
7 Y 
Var. erassa Cockerell. 
Helix hortensis var. crassa Cockerell, Nat. World, Jan. 1885, p. 1. 
Helix hortensts var. crassa Westerlund, Faun. Binnenconch., 1i., 1889. 
SHELL thicker and more ponderous. 
ENGLAND. 
Kent W.—Near Lamberhurst, Auge. 1884 (T. D. A. Cockerell, l.c.). 
CONTINENTAL DISTRIBUTION. 
Sweden—Benestad, Skane (Westerlund, Syn. Moll. Extram., 1897, p. 58). 
Var. ludoviciana Moquin-T'andon. 
Helix hortensis var. ludoviciana Moquin-Tandon, Hist. Moll. France, 1853, p. 166. 
Helix hortensts var. tenuts Baudon, Journ. de Conch., 1884, p. 237, 
SHELL thinner and more fragile. 
The var. ludoviciana is described as very small and transparent. 
The sub-var. tenuis is pellucid and unicolorous or banded. 
ENGLAND. 
Devon N.—Ilfracombe, common, Aue. 1903 (Beeston and Wright, |.c.). 
Cornwall W.—Truro, 1888, J. H. James. 
Devon S.—Culverhole Point and Topsham, Aug. 1892, Lionel EF, Adams. 
Hants. S.—Christchurch, formula 00300, July 1897, C. E. Wright. 
Somerset N.—Sub-var. fenwis, Bratton St. Manr, E. W. Swanton. 
Sussex W.—Lavant, Oct. 1901, C. E. Wright. 
Essex N.—Dovercourt, Sept. 1999 ! C. E. Wright. 
Middlesex —Boston road, Hanwell, Sept. 1883 ! Mrs. Skilton. 
Norfolk E.—Yelverton, 189] ! Rey. S. Spencer Pearce, 
