25 



subtili; sutura submarginata; anfr. 5 vix convexiusculi, 

 ultimus antice subdeflexus, peripheria subcrenulato-carina- 

 tus, basi convexus; umbilicus latiusculus, conicus; aper- 

 tura perobliqua, rotundato-lunaris, vix angulata ; perist. 

 intus labiatum, margine supero recto, basali reflexiusculo. — 

 Diam. maj. lV] p min. 10, alt. h% mill. (Coli. Nr. 1164.) 



Helix Nye/ii Mittre, Pfr. Mon. Hei. I. p. 175. 

 n. 451. IV. n. 918. 



Habitat in insula Minorca. 



1283b. H. Purchasi Pfr. 



T. imperforata, globoso- depressa, tenuissima, confer- 

 tissirne plicatula et sub lente subdecussata, aeneo - micans, 

 pellucida, pallide Cornea; spira breviter conoidea , obtusa; 

 sutura marginata; anfr. vix 3Va planiusculi, rapide accres- 

 centes , ultimus non descendens , medio carina compressa, 

 acuta, alba munitus, subtus inflatus, basi gibbosus; aper- 

 tura ampla, obliqua, late angulato-lunaris; perist. tenue, 

 breviter reflexum , margine columellari arcuato, compresso, 

 subcalloso, juxta foveam centralem non dilatato. — Diam. 

 maj. 23, min. \1 x j % , alt. 13 2 / 3 mill. (Mus. Cuming ) 



Hellt Purchasi Pfr. in Proc. Zool. Soc. 1858. p. 21. 

 t. 40. f. 4. 



Habitat in insulis Admiralitatis (Dr. Purchas). 



1329 a. H. monacha Pfr. 



T. imperforata, globoso-conica, solida, rugoso-striata 

 et sub lente minute granulata, castanea; spira conoideo- 

 elevata, obtusula; anfr. ö 1 /^ modice convexi, lente accres- 

 centes, ultimus antice vix descendens, medio obsolete sub- 

 angulatus; apertura fere diagonalis, rotundato-lunaris, intus 

 livida, nitida; perist. carneum, undique breviter expansum, 

 margiuibus remotis, columellari ad insertionem in laminam 

 triangulärem, adnatam dilatato. — Diam. maj. 27, min. 23, 

 alt. 19 mill. (Mus. Cuming.) 



Helix monacha Pfr. in Proc« Zool. Soc. 1858. 



