167 



10. BuLiMus? (Laoma) Lkimonias. 



Shell trochiform, polished, browii-spotted ; spire conical, rather 

 higher than broad, apex obtuse ; whorls verj* slightly convex, polished, 

 v\ith one or two slightly sunk lines on the front half; last whorl with 

 a distinct rib-like keel on the front edge ; two spiral grooves on front 

 half outer side ; the side flattened with several small concentric grooves ; 

 axis minutely and deeply perforated ; mouth square ; peristome simple, 

 slightly reflexed near the axis ; the throat with three equal, well- 

 marked spiral ridges, one on the outer side of the posterior, and an- 

 other opposite to it on the outer side of the front lip, and one on the 

 middle of the right side or outer edge of the last whorl. Diani. ^th 

 of an inch. 



Hab. Auckland ; Major Greenwood. 



I am inclined to regard this shell as the type of a particular sub- 

 genus of shell which may be characterized by the simple peristome, 

 the perforated axis, the square mouth, and the spiral ridges in the 

 throat ; but I have only seen a single specimen, and it may be, though 

 I regard it as very improbable, the young state of a Pupa or Vertigo. 

 If it prove distinct, it may be called Lnoina. 



AuRICULIDyE? 



Elasmatina E.ECLUSIANA, Petit, Proc. Zool. Sac. 184 . 



Hab. Auckland, New Zealand ; Major Greenwood. 



M. Petit described this specimen from the island of Opara in the 

 South Seas. 



Cyclostomid.e. 



Realia Egea. 



Shell ovate, pale brown, covered with a dull brown periostraca 

 marked with elevated, transverse, membranaceous ridges rather 

 fringed on the edge ; apex rounded ; whorls convex, rounded in front, 

 and with a deep brown baud round the axi? ; axis scarcely perforated ; 

 mouth ovate ; peristome reflexed, sharp-edged, with a thin, shari)- 

 edged, slightly-raised internal peristome. Length 2-i- lines. 



Hab. Auckland, New Zealand. 



Cyclopuorus Cytora. ^^ /^6 3 . 



Shell minute, trochiform, brown, closely and uniformly spirally 

 striated and slightly concentrically wrinkled ; apex subacute ; spire 

 conical, nearly as high as broad ; whorls convex, the last rounded 

 and convex in front ; axis perforated ; mouth subcircular ; peristome 

 scarcely reflexed, thickened internally ; ? operculum horny, of a few 

 rapidly enlarging whorls. Diam. -^^th of an inch. 



Hab. Auckland, New Zealand ; Major Greenwood. 



Lymnead.«. 

 Planorbis Corinna. 



Shell depressed, white, above flat, beueatli rather concave ; whorls 

 convex, roiuided. 



Hab. Auckland, New Zealand. 



