334 Zoological Society. 
Diam. 31; alt. 14 mill. 
From the island of Jamaica; Mr. P. Gosset. Mus. Cuming. 
Intermediate between H. tridentina, Fér., and H. Martiniana, Pfr. 
The position of the teeth is the same, but from the former it is at 
once to be distinguished by the sharp keel, from the latter by the 
deflexion of the last whorl. 
8. Hextix Brucuiertana, Pfr. Hel. testd imperforatd, turbinato- 
globosd, solidd, nigro-castaned, epidermide hydrophand, fusca stri- 
gatd, sursum pallescente obductd; spirdé conoided, apice obtusd, 
purpured, nitidd ; anfractibus 5 conveaiusculis, ultimo non descen- 
dente, basi vie convexo, denudato; columelld intrante, obliqud, 
strictiusculd, planatd, alba ; apertura lunato-ovali, intus lacted ; 
peristomate simplice, brevissime reflexiusculo, intus nigro-margi- 
nato. 
Diam. 29; alt. 24 mill. 
Collected on the island of Tablas by H. Cuming, Esq. 
9. Butimus e1Lvus, Sow. Bul. testa imperforatd, ovata, soliduld, 
striatd, sub epidermide gilvd rufescens ; spird apice obtusd, nudd, 
pallida ; anfractibus 6 conveais, ultimo spird pauld breviore ; colu- 
melld strictiusculd, albd, subexcavatd ; aperturd obliqua, lunaio- 
ovali, intus lacted ; peristomate subincrassato, breviter reflexo, 
margine dextro arcuato, columellari adpresso. 
Long. 54; diam, 38 mill. 
Collected in several varieties on the island of Bohol, by H. Cu- 
ming, Esq. 
GEOMELANIA, nov. gen. 
Testa imperforata, turrita ; apertura integra, effusa ; peristoma sim- 
plex, reflecum, ad basin appendiculo porrecto instructum. 
10. GEOMELANIA JAMAICENSIS, Pfr. Geom. testd truncatd, turritd, 
arcuatim costatd, nitidd, albd; anfractibus 6 convevis, ultimo 4 
longitudinis subequante ; aperturd ovali, intus nitidd; peristo- 
mate simplice, margine dextro sinuoso, basi in appendiculum lingui- 
formem porrecto, columellari adpresso. 
Long. 12; diam. 4 mill. 
Found at Jamaica, ‘‘ Savanah la Mar,’ 
M. Attanasio. Mus. Cuming. 
J 
under stones in earth, by 
11. Tomocreres TURBINATUS, Pfr. Tom. testd rimatd, compresso- 
turbinata, tenui, levissime striatuld, pallid? corned, nitiduld ; spird 
turbinatd, acutiusculd ; anfractibus 5 convevis, ultimo spiram vir 
@quante, & latere compresso, basi subangulato, antic? adscendente, 
subtis constricto, scrobiculato; aperturd verticali, subauriformi, 
fere clausd; peristomate late expanso, tenui, margine dextro ar- 
cuato, intern? lamind validd, superne bifidd, munito, basali oblique 
descendente, tridentato; pariete aperturali lamellis 3 inequalibus 
armato, 
Diam, maj. 11, min, 74; alt. 10 mill. 
Hab. In Brasilia. 
This interesting shell is nearly allied with Tomogeres clausus, Spix, 
