131 



albo-callosd ; aperturd amplu, lunato-rotundalu, inius ccerulescente ; 



peristomate simplice, recto, margine deoctro arcuato, basali cum 



columelld angulum formante. 

 Diam. 27, alt. 21 mill. 

 Locality unknown. 



27. HelixCaucasica, Pfr. Hel. testdumhilicatd, globoso-depressd, 

 tenui, subtiliter rugoso-striatd, sub lente granulatd, corneo-albidd, 

 pellucidd, fascid latd, subopacd ad suturam, angustiore albd ad 

 po'ipkeriam ornatd ; anfractibus 6 convexiusculis, ultimo antice 

 subdeflexo ; aperturd lunato-rotundatd ; peristomate acuto, expanso, 

 intus callo albo, acuto labiato, margine columellari dilatato, umbi- 

 licum angustum, pervium semitegente. 



Diara. 16, alt. 10 mill. 

 From the Caucasus. 



28. Helix Kntsnaensis, Pfr. Hel. testd umbilicatd, globosd, 

 solidiusculd, costulato-striatd, sericind, corneo-olivaced ; spird 

 brevi, obtusd; anfractibus 4 convexiusculis , ultimo inflato, basi 

 subkevigato, nitidissimo ; umbilico angusto, pervio ; aperturd ro- 

 tundato-lunari, intus margaritaced ; peristomate simplice, acuto, 

 margine columellari superne dilatato, patente. 



Diam. 24, alt. 16 mill. 



From Knysna, Cape of Good Hope. 



29. Helix Jenynsi, Pfr. Hel. testd subperforatd, turbiniformi, 

 striatuld, tenui, nitidd, carinatd, lacted, supra carinam fusco- 

 unifasciatd; spird brevi, conicd, acutd; anfractibus 5^ vix con- 

 vexiusculis, ultimo basi convexiore ; aperturd angulato-lunari ; 

 peristomate simplice, acuto, margine columellari superne reflezius- 

 culo, perforationemferc claudente. 



Diam. 12, alt. 1\ mill. 

 Locality unknown. 



30. Helix Bronni, Pfr. Hel. testd hnperforatd, semiglobosd, 

 striatuld, sub lente punctatd, niiiduld, castaned, apice obtuso pal- 

 lidd ; anfractibus 5 convexiusculis, ultimo obsolete carinato, basi 

 planiusculo, granulato, ceerulescenti-albido, infra carinam f ascia 1 

 castaned ornato, antice deflexo, profunde scrobiculato ; aperturd 

 subhorizontali, elliptico-oblongd ; peristomate late incrassato, mar- 

 ginibiis callo tenui junctis, basali dilatato, reflexo, fusco-maculato, 

 intus 4 dentato ; dentibus 2 anticis majoribus, compressis, d mar- 

 gine remotis. 



Diam. 25, alt. 15 mill. 



From Jamaica ; sent by Mr. Adams with H. sinuata, Born, to 

 ■vvhich it is nearly allied. 



31. Helix ventrosula, Pfr. Hel. testd rimato-perforatd, de- 

 presso-globosd, tenui, subtiliter striatd, pellucidd, corneo-albidd; 

 spird vix elevatd ; anfractibus 5į vix convexiusculis, ultimo subith 

 deflexo, superne subangulato, basi inflato, antice gibbo et valdi con- 

 stricto; aperturd perobliqud, ringente ; peristomate acuto, late 



