Zoological Society, 333 



3. Helix Linn^ana, Pfr. Hel, testd umbilicatd, depressd, utrin- 

 que convexiusculd, acute carinatd, pallide fulvd, superne rugoso- 

 malleatd, basi minute et oblique rugulosd ; anfractibus 5^ lente ac- 

 crescentibus , planulatis, ultimo basi subinflato, antice vix descen- 

 dente ; umbilico majusculo, cylindrico ; aperturd angulato-lunari, 

 ad carinam canaliculatd ; peristomate incrassato, carneo, margini- 

 bus callo Junctis, supero brevi, expanso, basali arcuate, reflexo, 

 columellari breviter descendente, subdilatatd. 



Diam. 62 ; alt. 28 mill. 



Locality unknown. Mus. Cuming. 



4. Helix Chemnitziana, Pfr. Hel. testd imper/oratd, depressd, 

 solidd, superne radiatim plicato-malleatd, undique granulosd, sub 

 epidermide olivaceo-rufd, acute carinatd ; spird subelevatd, obtusd ; 

 anfractibus 5 planis, ultimo basi convexo ; aperturd subtriangulari, 

 intus nitidd, earned; peristomate carneo, margine supero subex- 

 panso, basali reflexo, dente unico valido instructo, columellari 

 stricto, dilatato, adpresso, incequaliter pluridentato. 



Diam. 57 ; alt. 26 mill. 



Locality unknown. Mus. Cuming. 



5. Helix Bainbridgii, Pfr. HeL testd umbilicatd, depressd, sub' 

 discoided, solidd, striata, undique granulatd, cinna?nomed, basi 

 pallidd; spird vix elevatd, obtusd; anfractibus 5\ planis, ultimo 

 rotundato, basi vix convexo ; aperturd perobliqud, lunato-subtrian- 

 gulari, intus nitidd, earned; peristomate subincrassato, carneo, 

 marginibus callo junctis, supero late expanso, basali reflexo, dente 

 unico, valido, complanato instructd, columellari perdilatato , umbi^ 

 licum mediocrem semi-occultante. 



Diam. 64 ; alt. 26 mill. 



Found at Demerara by Mr. Bainbridge. Mus. Cuming. 



6. Helix Martiniana, Pfr. Hel. testd obteste perforaid, discoided, 

 acut^ carinatd, solidd, striatd et minutissime granulatd, olivaceo- 

 fuscd; spird depressd; anfractibus 5 planulatis, ultimo non de- 

 scendente, basi inflato, antice profunde scrobiculato ; aperturd 

 depressd, late angulato-lunari, intus laded ; peristomate albo, in- 

 crassato, marginibus callo tenui junctis, supero expanso, basali 

 reflexo, dentibus 2 conjunctis, columellari dilatato, dentibus 2 in- 

 aqualibus armato. 



Diam. 34; alt. 14 mill. 



From the island of Jamaica. Mus. Cuming. 



7. Helix Schroeteriana, Pfr. Hel. testd umbilicatd, depressd, 

 lenticulari, acute carinatd, solidd, obsolete granulatd, luteold, 

 utrinque rufo-latefasciatd ; spird subelevatd; anfractibus 5 planu- 

 latis, ultimo antice deflexo, basi inflato, antice profunde scrobicu- 

 lato ; aperturd subhorizontali, ellipticd ; peristomate incrassato, 

 lat^ expanso, reflexo, fusco-carneo, marginibus callo junctis, supero 

 leviter arcuato, basali dilatato, umbilicum angustum semitegente, 

 intus d-4-dentato ; dentibus 2 majoribus basi junctis, 1-2 minori- 

 bus propl columellam. 



