440 Zoological Society. 
From Jamaica; sent by Mr. Adams with H. sinuata, Born, to 
which it is nearly allied. 
31. Heztrx ventrrosuxa, Pfr. Hel. testd rimato-perforatd, de- 
presso-globosd, tenui, subtiliter striata, pellucidd, corneo-albida ; 
spird viz elevatd ; anfractibus 54 vix convexiusculis, ultimo subitd 
deflexo, superné subangulato, basi inflato, antic gibbo et valde con- 
stricto; aperturd perobliqud, ringente; peristomate acuto, late 
reflero, marginibus vix conniventibus, laminas elevatas, in ventre 
anfractis penultimi angulatim junctas emittentibus, dextro lamind 
subperpendiculari dilatatd, basali dentibus 2 acutis munito. 
Diam. 13, alt. 74 mill. 
From Mexico (Hinds), and Texas (Sowerby). 
382. Henix Hinns1, Pfr. Hel. testd umbilicatd, depressd, subtiliter 
striatd, corneo-lutescente, diaphand, nitidd ; spird parim elevatd ; 
anfractibus 5 planiusculis, ultimo basi convexiore, antice supern? 
deflexo, subtis constricto; umbilico angusto, pervio; aperturd 
perobliqud, lunari, ringente ; peristomate breviter reflexo, margi- 
nibus conniventibus, callo triangulari, dentiformi, bicruré junctis, 
dextro lamellaé subverticali, basali dentibus 2 acutis munito. 
Diam. 8, alt. 45 mill. 
From Mexico (Hinds), and Texas (Sowerby). 
33. Hexrix Hepenzore, Pfr. Hel. testa subperforatd, depressis- 
simd, subdiscoided, acuté carinatd, tenuiusculd, confertim rugoso- 
striatd, superne albido et fusco-variegatd, basi subunicolore fusces- 
cente; spird vix elevatd; anfractibus 54 planis, non easertis, ul- 
timo basi viz ventrosiore, antice non descendente ; aperturd depressd, 
angulato-lunari; peristomate tenui, marginibus subparallelis, su- 
pero recto, basali breviter reflexo, columellari viz dilatato; reflexo, 
adpresso. 
Diam. 18, alt. 6 mill. 
On cliffs at the river Baher el Killo, at the Road of Marc Aurel, 
Egypt (Dr. Hedenborg). 
34. Hextrx praryopon, Pfr. Hel. testd imperforatd, depresso- 
turbinatd, minutissime granulato-striatd, albd, fasciis fuscis, albo- 
guttatis ornatd ; spird elevatd, obtusiusculd ; anfractibus 6 vix 
convexiusculis, ultimo basi subplanulato, antic? deflexo ; aperturd 
perobliqud, lunato-ovali, intus alba ; peristomate lat? expanso, re- 
flexo, marginibus callo albo junctis, columellari perdilatato, ad- 
presso, dente lato compresso munito. 
Diam. 30, alt. 19 mill. 
Locality unknown. 
35. Hexix retusa, Pfr. Hel. testd imperforatd, subglobosd, apice 
retuso, tenui, levigato, basi concentrice striolatd, castaneo-fulvd, 
albo late strigatd et flammulatd, epidermide hydrophand, albidd, 
decidua partim indutd, sursim pallescente, castaneo-fasciatd ; spird 
brevi; anfractibus 4 conveviusculis, ultimo subangulato, vix de- 
scendente ; columellé intrante, albd, superne dentato-dilatatd ; aper- 
turd rotundato-lunari, intus margaritaced ; peristomate late ex- 
panso. 
