36 
Shell orbicular, depressed, white, transversely entirely carinated ; 
keels very small, close together and very numerous, subnodulous 
and slightly elevated ; interstices longitudinally very finely striated ; 
spire somewhat depressed, whorls rounded; aperture oblique, sub- 
circular, longer than wide. 
Hab. Korean Archipelago, coral reefs; 4. H. (Mus. Cuming.) 
Sromatia PaLuipA, Adams. S. testd suborbiculari ; spird acu- 
minatd, albd, radiis pallidis longitudinalibus pictd, transversim 
liratd, interstitiis decussate striatis ; aperturd transversd, sub- 
ovali, intus porcelland, labio subrecto, calloso. 
Hab. ad Insulam Lord Hood, dedicay. (Mus. Cuming.) 
A species somewhat resembling in colouring the striped variety of 
S. notata, but which differs materially in form and sculpture. 
Microris, new genus. 
Animal as in Stomatia, but the foot with a deep anterior fissure 
for the head, and the front edge bilobed. Operculum none. Shell 
spiral, suborbicular, depressed, with two tuberculated ridges; spire 
slightly prominent ; aperture very large, wider than long, pearly 
within, columellar margin spiral, visible as far as the apex of the 
spire. 
Microtis TuBERCULATA, Adams. WM. testd suborbiculari, halio- 
tided, valde depressd, viride variegatd, transversim striatd, bi- 
carinatd, carinis tuberculatis, prope suturam nodulosim plicatd; 
spird viz elevatd, anfractibus carinatis ; aperturd magnd, ovali, 
intus bisulcatd margaritaced. 
Hab. in insulis Philippinis. (Mollusca, Pl. VIII. fig. 8-12.) 
Shell suborbicular, ear-shaped, greatly depressed, variegated with 
green, transversely striated, bicarinated; keels tuberculated, no- 
dosely plicated near the suture ; spire scarcely elevated, whorls cari- 
nated ; aperture large, oval, pearly within, with two concentric parallel 
grooves. 
Hab. Island of Capul, on the sands, high water; H.C. (Mus. 
Cuming.) 
Gena, Gray. 
Animal subspiral, oval, depressed, too large to enter the shell; 
tentacular lobes plumose. Foot very large, tubercular, posteriorly pro- 
duced ; lateral membrane not fimbriated, more or less extended, and 
covering the shell. Operculum none. Shell subspiral, oblong, ear- 
shaped, depressed, smooth or striated; spire flattened, nearly obso- 
lete ; aperture large, pearly within. 
GENA PLANULATA, Lamarck. 
Hab. Isle of Camaguin, under smooth stones, low water ; Gindul- 
man, isle of Bohol, under stones; H.C. (Mus. Cuming.) 
Stomatella planulata, Lamarck, Hist. An. s. Vert. vol. vi. p. 210; 
Encyclop. Méth. pl. 40. f. 4 a, 6. 
