Zoological Society. 439 



vio ; aperturd parvd, horizontali, rotundato-ovali ; peristomate 



albo, suhlahiato, reflexo, marginibus contiguis. 

 Diara. 14 J, alt. 5^ mill. 

 From the Neelgherries, East Indies. 



26. Helix tumida, Pfr. HeL testd imperforatd, globosd, soUdd, 

 rugoso-striatd, nitidiusculd, sub epidermide sordide viridi, satura- 

 tius radiatd alba; spird parvuld , elevatd; anfractibus 5 tumidis, 

 ultimo permagno ; columella subverticali, elongatd, basi 3ubt07'id, 

 albo-callosd ; aperturd ampld, lunato-rotundatd, intus ccerulescente ; 

 peristomate simpUce, recto, margine dewtro arcuato, basalt cum 

 columelld angulum formante. 



Diam. 27, alt. 21 mill. 

 Locality unknown. 



27. Helix CAuCAsiCA, Pfr. HeL testd umhiUcatd, globoso-depressd, 

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

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

 peripheriam ornatd ; anfractibus 6 convexiusctdis, ultimo antice 

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

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

 licum angustum, pervium semitegente. 



Diam. 16, alt. 10 mill. 

 From the Caucasus. 



28. Helix knysnaensis, Pfr. HeL testd umbilicatd, globosd, 

 solidiusculd, costulato-sfriatd, sericind, corneo-oUvaced ; spird 

 brevi, obtusd ; anfractibus 4 convexiuscuUs , ultimo inflate, basi 

 sublcevigato, 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^ vise con^ 

 vexiusculis, ultimo basi convexiore ; aperturd angulato-lunari ; 

 peristomate simplice, acuto, margine columellari superne reflexius- 

 culo, perforationem fere claudente. 



Diam. 12, alt. 7^ mill. 

 Locality unknown. 



30. Helix Bronni, Pfr. HeL testd imperforatd, semiglobosd, 

 striatuld, sub lente punctatd, nitiduld, castaned, apice obtuso paU 

 lidd ; anfractibus 5 convexiuscuUs, ultimo obsolete carinato, basi 

 planiusculo, granulato, ccerulescenti-albido, infra carinam fascid 1 

 castaned ornate, antice deflexo, profunde scrobiculato ; apet'turd 

 subhorizontali, elliptico -oblong a ; peristomate late incrassato, mar- 

 ginibus callo tenui functis, basalt dilatato, reflexo, fusco-maculato, 

 intus 4 dentate ; dentibus 2 (tnticis majoribus, compressis, d, mar- 

 gine remotis. 



Diam. 25, alt. 15 mill. 



