a : 133 
middle of the body, the hinder spot largest and nearest to the edge 
of the ventral shield. 
Hab, Upper Amazon. 
5. Descriptions oF Tuirty-stx New Species or LAND-SHELLS 
rrom Mr. H. Cumine’s Cotxtection. By Dr. L. Preirrer. 
(Mollusca, Pls. L., LI.) 
1, Hexix souGarinvitxel, Pfr. (Pl. L. fig. 7.) 7. imperforata,. 
globoso-conoidea, solidiuscula, striatula, irregulariter malleata 
et sulcis nonnullis spiralibus notata, nitida, saturate castanea ; 
spira conoidea, vertice subtili, obtusulo; sutura pallide mar- 
ginata ; anfr. 5 modice convexi, regulariter accrescentes, ulti- 
mus rotundatus, peripheria obtuse angulatus ; columella lata, 
oblique substricte descendens ; apertura diagonalis, rotundato- 
lunaris, intus nitide cerulescens ; peristoma albo-callosum, bre- 
viter expansum, marginibus callo crassiusculo junctis, dextro. 
regulariter arcuato. 
Diam. maj. 62}, min. 51, alt. 39 mill. 
Hab. Bougainville Island. 
2. Hexrx apox.o, Pfr. (Pl. L. fig. 9.) 7. imperforata, turbi- 
nato-depressa, solida, carinata, oblique striata et sub lente mi- 
nutissime granulata, opaca, lutea, lineis fuscis irregulariter 
circumdata ; spira breviter conoidea, obtusa; anfr. 4 vix con- 
veatuscult, ultimus acute carinatus, antice. leviter descendens, 
basi convexus; apertura diagonalis, rhombeo-lunaris, intus 
lactea ; perist. crassum, album, breviter reflecum, margine 
basali dilatato, in regione umbilicali adnato, tuberculo elongato 
prope insertionem predito. * 
Diam. maj. 463, min. 874, alt. 22 mill. 
Hab. Isle of Cuba. 
3. Hexrx ists, Pfr. (Pl. L. fig. 8.) TT. umbilicata, depressa, 
solidula, striatula, unicolor castanea; spira vie elevata ; anfr. 
5 via converiusculi, sensim accrescentes, ultimus antice subde- 
flexus, peripheria obsoletissime angulatus, subtus convexior ; 
apertura obliqua, late lunaris, intus submargaritacea ; perist. 
album, marginibus vie convergentibus, supero subhorizontalt, 
expanso, basali late reflexo, ad insertionem breviter ascendente, 
umbilicum mediocrem lamina dilatata semioccultante. 
Diam. maj. 45, min. 38, alt. 19 mill. 
Hab. Admiralty Islands. 
4. Hewix zquaroria, Pfr. (Pl. L. fig. 6.) ~ 7. imperforata, 
conoideo-depressa, solida, striatula et subtilissime punctato- 
granulata, subcarinata, saturate castanea; spira convexo- 
conoidea ; anfr. 5, convexiusculi, ultimus antice deflexus, rotun- 
datus, turgidus ; apertura perobliqua, sinuato-lunaris ; perist. 
