34 
crest under the eye-peduncle, and on the right in a slightly projecting 
fold or gutter leading to the respiratory cavity. Operculum none. 
Shell subspiral, oblong, or suborbicular, carinated or tuberculated; 
spire prominent; aperture wider than long, pearlaceous within. 
Stomatia phymotis, Lamarck. 
Hab. Philippine Islands, Matnag, province of Albay, Luzon, on 
the reefs ; H. C. (Mus. Cuming.) 
Stomatia australis, Adams. S. testa haliotided, ovato-ob- 
longd, sublatd, olivaced, dorso laevigata, transversim tenue stri¬ 
ata, carinis duabus rotundatis, inferiori tuberculatd; aperturd 
antice dilatatd , labro supra ultimum anfractum ascendente. 
Hab. in littoribus Australia. 
Shell rather broad, olivaceous, back nearly plain, transversely finely 
striated, with two rounded keels, the lower one tuberculated; aper¬ 
ture dilated anteriorly, outer lip ascending on the body whorl. 
Hab. Darnley’s Island, Torres Straits, under stones; Jukes. 
(Mus. Cuming.) 
Stomatia duplicata, Sowerby. 
(P. Z. S. Mollusca, PI. VIII. fig. 13, 14, 15.) 
Hab. Cagayan, province of Misamis, island of Mindanao, under 
stones, low water; H. C. (Mus. Cuming.) 
Stomatia angulata, Adams. S. testa orbiculato-convexd, sub- 
depressd, viriduld, transversim valde costulatd, interstitiis lon~ 
gitudinaliter striatis, carinis duabus elevatis simplicibus angu- 
latis ; aperturd transversd, subcirculari, labro in medio biangu- 
lato. 
Hab. in insulis Philippinis. 
Shell orbicular, rather depressed, olive-green, transversely coarsely 
costulated, interstices longitudinally striated, with two elevated, simple, 
angulated ridges ; aperture transverse, suborbicular, outer lip biangu- 
lated in the middle. 
Hab. San Estevan, province of South Ilocos, island of Luzon and 
island of Ticao, under stones, low water; H. C. (Mus. Cuming.) 
Stomatia decussata, Adams. S. testa ovato-oblonga, longitu- 
dinaliter et transversim decussate striata, carinis duabus sim- 
plicibus aut subtuberculatis angulatis prominentibus, pallida 
maculis fuscis variegatd ; spird elevatd ; aperturd obliqud, fere 
orbiculari, labro biangulato in medio. 
Hab. in insulis Philippinis. 
Shell decussately transversely and longitudinally striated with two 
acute simple or subtuberculated prominent keels, pale marked with 
light brown blotches and fine puncta; spire elevated; aperture ob¬ 
lique, nearly orbicular, outer lip biangulated in the middle. 
1lab. Sorsogon, province of Albay, island of Luzon, on smooth 
stones, 6 fathoms; H. C. (Mus. Cuming.) 
