COLIMACEA. 75 



spire; base generally with several concentric, dark brown bands, 

 which are interrupted at intervals, producing a catinated, or 

 spotted appearance ; sometimes the fasciae are confluent, and 

 spotted with white. Diameter at the base generally about 

 three-eighths of an inch ; height about a quarter. 



This species is liable to considerable variation in colour and 

 markings, and even in size. Some are of a brownish ash-colour, 

 gray, or cream-colour ; others are dark brown, with a white, 

 subcarinated band round the body ; but most of them have a 

 faint indication of spiral bands. Colonel Montagu observes, 

 that "in shape it is a medium between Helix virgata and 

 radiata ; it is not so produced as the former, nor so flat as 

 the latter ; in the bands, or fasciae, at the base it somewhat 

 resembles the first, and in being strongly striated is like the 

 last." 



This is a local species, and has been found in Wiltshire, 

 South Devonshire, Cornwall, and Cumberland. It is plentiful 

 in the neighbourhood of the Old Quarry, back of and also at 

 the base of the cliffs in front of Salisbury Crags, at Edinburgh. 

 I found it plentifully on mud walls at Naas, County of Kildare. 

 Thompson says, it seems to prevail only in the " southern half 

 of the island, and is plentiful where it does occur." He par- 

 ticularises Glanmire, near Cork, by W. H. Harvey, Esq.; Kilkee 

 Castle, near Ballitore, County of Kildare, La Bergerie, Queen's 

 County, by Mr. Patterson, of Belfast ; and at Kingstown, near 

 Dublin, by T. W. Warren, Esq. 



26. Helix pisana, pi. VHI, f. 8, 9, 10, 11, 12, 13. 



Helix pisana, Miiller, Verm., H, p. 60, No. 255; Lamarck, 

 An. San. Vert., pt. 2nd, p. 82 ; Rossmassler, V, VI, p. 34, pi. 

 26, f. 259, a, b, c, d; Brown, Ency. Brit., 6th Ed., VI, p. 459 ; 

 Fleming, Brit. An., p. 259 ; Alder, Mag. Zool. and Bot., II, p. 

 109; Thompson, Ann. and Mag. Nat. Hist., VI, p. 28; Helix 

 cingenda, Montagu, Test. Brit., p. 418, pi. 24, f. 4; Maton and 

 Rackett, Linn. Tr., VIII, p. 195, pi. 5, f. 6; Turton, Brit. Fau., 

 p. 188; lb., Man., p. 39, f. 30 ; Jeffreys, Linn. Tr., XIII, p. 

 333; Fleming, Edin. Ency., VII, p. 79; Philhppi, Enum. Moll. 

 Sic, p. 131, No. 22; Helix albana, Miiller, Verm., II, p. 25, 

 No. 226; Helix zonaria, Pennant, Brit. Zool., IV, p. 137} pi. 

 85, f. 133 ; Helix rhodostoma, Drapernaud, p. 86, pi. 5, f. 13, 

 14, 15; Teba cingenda, Leach, Moll., p. 92; Helix pisana, 



