AUSXUALIAJS' LAND SHELLS. 33 



reddish-horny ; spire small, scarcely projecting, sometimes flat, 

 .suture impressed ; whorls 5, rapidly increasing, flatly-convex, last 

 somewhat inflated, roundly convex, not descending in front, at the 

 mouth moderately flattened above ; base with the strife smaller ; um- 

 bilicus perspective, nearly equalling l-5th of the diameter; aperture 

 diagonal, Innately-oval ; peristome simple, thin, straight, margins ap- 

 proaching, columellar margin above moderately dilated and reflected. 



Diameter, greatest - 70 ; least 0*50 ; height 0-20 of an inch. 



Habitat. Mount Wellington, Macquarie Harbour, and N.E. coast of 

 Tasmania. 



A small dark variety from the last mentioned locality has the decus- 

 sating striae nearly obsolete. 



85. Helix Lizardensis. Pfr. Piate IV. Fig. 1, natural size 



and magnified. M.C. 



Pfr., Pro. Zool, Soc., 1862, p. 269. 



Shell umbilicated, lenticular, earinated, slightly solid, under the lens, 

 striately ribbed, with a conspicuous spiral raised line or rib, or 

 second keel along, and slightly above the keel and suture, greenish- 

 horny ; spire conieally-convex ; whorls 8, very slowly increasing, 

 rather flattened ; base convex, somewhat coarsely ribbed under the 

 lens, umbilicus rather large, deep, equalling 1-oth of the diameter; 

 aperture oblique, narrowly angularly-lunate ; peristome simple, 

 straight, not dilated above. 



Diameter, greatest 0-28 ; least - 26 ; height 0-13 of an inch. 



Habitat. Lizard Island, on the ground among dead leaves, &e. 

 JIacGillivrag. 



Not liable to be confounded with any other Australian species of Helix. 



XIV. SECTION EOTULA. Pfr. Vers. p. 131. 



* H. Indica. 



86. Helix Indica. Pfr. Plate IX. Pig. 10, copied from Peeve. 

 Pfr., iSymbolce, Vol. III., p. 66. 



Reeve, Cone. Icon. sp. 1290. 



Shell umbilicated, orbicularly-convex, rather solid, rib-like striated on 

 the upper part, and closely granulately decussated by impressed 

 lines, fulvous ; whorls 5 to 6, rather flat, the last more convex at the 

 base, smooth, marked with a few impressed concentric lines below 

 the keel ; aperture angularly-lunar ; lip straight, white, columellar 

 margin rather thickened, shortly reflected. 



Diameter, greatest 0*80 ; least 0*63 ; height - 55 of an inch. 



Habitat. Moreton Bay, Queensland. Strange. 



Never having seen specimens of this well known Indian species, I have 

 taken the description of it from Peeve. 



D 



