46 ATSTHAUAN LAXD SFIELLS. 



dark-purple spiral band, becoming- very indistinct towards the end of 

 the last whorl ; spire convexly-conical, obtuse ; whorls 5, increasing 

 in convexity downwards, last rounded, descending in front ; aperture 

 diagonal, lunatoly-ovate ; peristome straight, expanded ; columella 

 nearly vertical, dilated, actuate, and completely closing the um- 

 bilicus; inner lip dark purple, margins not approaching, joined by 

 a thin dark callus. 



Diameter, greatest 1*15; least POO; height 0-6-5 of an inch. 



Habitat. Port Denison, Queensland. Masters and Reinhird. 



This handsome species, of which several specimens have been found 

 on the trunks of the native fig tree, is one of the many departures 

 from the general Australian type, and bears a western Pacific or 

 Philippine aspect. 



118. Helix Duralensis. Cox. Plate VIII. Fig. 8, 8 a. M.C. 



Shell umbilicated, depressly-turbinate, rather solid, roughly ribbed, 

 especially at the suture, very minutely granulated, dark chestnut, 

 somewhat lighter below; spire short, obtuse; whorls 5, gradually 

 increasing in size, rather convex, the last keeled, rounded in front, a 

 little descending; aperture diagonal, rotundately-lunar, pale rose- 

 colour ; peristome simple, straight, very thinly reflexed, columellar 

 margin dilated above, and I covering the umbilicus. 



Diameter, greatest 0-80 ; least - 64 ; height 0-58 of an inch. 



Habitat. Dural, near Wiseman's Perry, on the Hawkesbury River, 

 N.S.W. Cox. 



A miniature representative of IT. coriaria, especially of those specimens 

 collected by Mr. Masters, at Ulladulla. A variety is sometimes met 

 with of a dull yellow colour, pale below, with a white mouth. 



119. Helix funiculata. Pfr. Plate XI. Fig. 15. M.C. 



Pfr., Pro. Zool. Soc, 1854. 



Reeve, Cone. Icon. sp. 1363. 

 (Shell rather largely umbilicated, orbicular, rather swollen, oblicpiely 



plicately striated, and rugosely granulated, fulvous-chestnut, encircled 



with a single pale zone ; spire convex, with the suture impressed ; 



whorls 7, rounded, the last somewhat obscurely encircled with a 



broad obtuse keel ; aperture orbicularly-lunar, lip a little reflected, 



broadly depressed at the columella. 

 Diameter, greatest POO; least 0-80 ; height 0-65 of an inch. 



Habitat. Islands in Torres Straits, North Australia. Edwards. 



120. Helix corneo-virens. Pfr. Plate XVIII. Fig. 2, 



copied from Reeve. M.C. 



Pfr., Zeit-schrift fur Maine., 1851, p. 25. 

 Reeve, Cone. Icon. sp. 1366. 



Shell with a nearly covered umbilicus, conoidly-globose, thin, some- 

 what inflated, obliquely rugose at the upper part, smooth beneath, 

 horny-green, sub-diaphanous ; spire obtuse ; whorls 5 to 6, slightly 

 convex, the last faintly angled, descending in front ; aperture ob- 



