Hutton. — On New Zealand Land Sheik. 175 



Patula bianca, n. s. 



Shell minute, discoidal, widely umbilicated, finely ribbed ; colour 

 horny brown banded with darker. Spire flat, or slightly convex ; whorls 4, 

 slowly increasing, rounded, delicately ribbed ; ribs about 55 in the tenth of 

 an inch, the interstices striated ; suture impressed ; umbilicus broad, 

 gradated ; aperture slightly oblique, rotundly lunar ; peristome thin, 

 regularly arcbed; greatest diameter ■!, least # 09 inch. 



Hab. Greymouth (E. Helms). 



This species is allied to P. corniculum, but it is more finely ribbed, and 

 the colours are different. 



Patula timandra, n. s. 



Shell small, discoidal, broadly umbilicated, distantly ribbed ; colour 

 brown, obscurely banded with paler. Spire flat, or slightly convex ; peri- 

 phery rounded ; suture impressed; whorls 4-5, slowly increasing, rounded, 

 delicately striated with growth-lines, and with distant ribs, which are 

 sinuated on the upper surface near the periphery, and straight below ; ribs 

 about 13 in the tenth of an inch ; umbilicus very broad, perspective, 

 gradated ; aperture slightly oblique, rotundly lunar ; peristome simple, 

 the margins approaching, forming more than three-fourths of a circle. 

 Greatest diameter "12, least *10 ; height # 05 inch. 



Hab. Auckland (Cheeseman). 



Patula sylvia, n. s. 



Shell minute, discoidal, umbilicated, obliquely ribbed : colour very pale 

 horny with faint thin radiating bands of chestnut on the upper surface. 

 Spire flat or slightly convex ; whorls 5^-, very slowly increasing, rounded, 

 with delicate rather distant ribs which are very oblique on the upper sur- 

 face, but transverse to the whorls on the lower surface ; ribs about 18 in 

 the tenth of an inch, the interstices rather strongly striated with growth 

 lines; suture impressed; umbilicus rather wide, gradated; aperture 

 slightly oblique, rotundly lunar ; peristome thin, regularly arched, the 

 upper margin advancing. Greatest diameter -12 ; least -1 ; height -06 

 inch. 



Hab. Bealey (Dr. v. Haast) ; under logs in the beech forests. 



Fruticicola adriana, n. s. 



Shell small, discoidal, narrowly umbilicated, finely ribbed ; colour pale 

 horny with spots and angular streaks of chestnut. Spire flat ; whorls 4£, 

 slowly increasing, rounded, delicately ribbed ; ribs about 50 in the tenth of 

 an inch, the interstices reticulated ; suture impressed ; umbilicus narrow, 

 but open ; aperture slightly oblique, rotundly lunar ; peristome thin, regu- 

 larly arched, the columellar margin slightly reflected. Greatest diameter 

 •16 ; least -14 ; height -07 inch. 



