156 HELIX §. 42. 



breviter conoideo-couvexa, apice oblusula; sutiira impressa; 

 anfr. 6V2 convexiusculi, ultinius multo latior, periplieria ob- 

 solete angulatus, anlice non descendens, basi planus, circa 

 umbilicum subcompressus, utrinque medio impresso-sulcatus; 

 apertura parva, parum obliqua, subtriangulato-lunaris; perist. 

 subsimplex, marginibus vix convergentibus, dextro reclo, de- 

 clivi, basali levitcr arcuato, suhincrassalo. — Diam. maj. 29, 

 min. 25, alt. 13 mill. (Mus. Cuming.) 



Helix bisulcata Pfr. in Proc Zool. Soc. 1852. 



— — Chemn. ed. II. Heli.x N. 1096. t. 161. f. 3 — 5. 



Habitat in Tasmania. 



Obs. Specimen descriptum intus serie nodorum cailosorum , sulco 

 basaii respondentium , munitum est ; an signum characteristicum? An 

 potius casu ? 



827. H. Greenwoodii Gray. 



T. umbilicata, convexo-depressa, tenuiuscula, ubique con- 

 fertissime ruguloso-granulata, parum nitida, olivaceo-fusca; 

 spira parvula , convexa, obtusiuscula; sutura impressa; anfr. 

 4 convexiusculi, rapide accrescentes , ultimus magnus, peri- 

 pheria cingulis pluribus elevatis obtusis, retrorsum descenden- 

 tibus munitus, anlice descendens, basi parum convexus, ad 

 inlroitum umbilici infundibulifoj-mis, castanei subcompressus; 

 apertura perobliqua, oblongo-ovalis, intus nitida, albida; perist. 

 simplex, marginibus connivenlihus, supero reclo, repando, in- 

 fero subincrassato, ad columellam dilatato, reflexo. — Diam. 

 maj. 23V^, min. 19, alt. 12 miU. (Coll. Nr. 419.) 



Helix Greenwoodii Gray in Proc. Zool. Soc. 1849. p. 165. 



— — C/iey?m. ed. II. HelixN. 673a. t. lOT.f. H — 13. 



— Glinnii Gray mss. olim. (testc Cuming. ) 



— — Pfr. in Zeitschr. f. Malak. ISsl). p. 86. 

 Habilat Auckland Novae Seelandiae (Greenwood). 



828. Sinclairi Pfr Mon. I. p. :200. 



829. Beckiana Pfr. (Coll. 4-20. — Reeve N. 143. t. 



33, — Discus Alb. p. 117.) - - - 201. 



830. planorboides Raf. (Coll. 421. — Desh. in F6r. 



liist. i. p, 87, N, 117. — Chemn. ed. II. t. 154. 

 f, 4 3, — Paluia Alb. p. 64. — H. concava De 

 Kai/ New-Yurk Moli. p. 33. t. 2. f. 1 5.) . . . . - - - 200. 



831. coactiliataFer. (Coll, 422, — Patula^/&. p. 63.) - --200. 



832. suturalis Pfr. (Coll. 423. — Patula Alb. p. 63.) - - - 201. 



833. H. pressula Morelet. •{• 



T. aperte umbilicala, subdiscoidea, depressa, tenuis, mi- 

 nute granulosa, cornea, translucens, spadiceo-unifasciata; anfr. 



