843 



lated keels; aperture subcircular; outer lip bi-angulatetl in the 

 middle. 



San Estevan, province of South Ilocos, island of Luzon ; under 

 stones, low water. (Mus. Cuming.) 



7. Stomatia acuminata (pi. clxxv. f. 64), A. Adams, Pro. 

 Zool. Soc. Feb. 1850. 



S. testa haliotoidea, suborbiculata, subfusca, cancellata, trans- 

 versim costata, costis tribus, prominentibus, media valde promi- 

 nula, tuberculata, valde plicata prope suturam, longitudinaliter 

 elevate striata ; spira prominula, acuminata, anfractibus quatuor, 

 angulatis ; labro, in medio, tri-angulato. 



This is a cancellated, transversely-ribbed species, strongly pli- 

 cate near the suture. 



Philippine Islands. (Mus. Cuming.) 



8. Stomatia decussata (pi. clxxv. f. 60), A. Adams, Pro. 

 Zool. Soc. Feb. 1850. 



S. testa ovato-oblonga, longitudinaliter et transversim decussate 

 striata, carinis duabus, simplicibus aut subtuberculatis, angulatis, 

 prominentibus ; paUida, maculis fuscis variegata; spira elevata; 

 apertura obliqua, fere orbiculari ; labro bi-angulato in medio. 



This species is decussated with transverse and longitudinal 

 striae, and there are two prominent, angular keels on the whorls ; 

 the spire is acute and prominent. 



Sorsogon, province of Albay, island of Luzon; on smooth 

 stones, six fathoms. H. C. (Mus. Cuming.) 



SPECIES UNIDENTIFIED. 



Stomatella decolorata, Gould, Exp. Sh. p. 51. 

 Stomatella inflata, C. B. Adams, Shells of Panama, p. 216. 

 Stomatella minima, Dufo. Ann. Sc. Nat. Oct. 1840, p. 202. 

 Stomatella irasata, Dufo. Ann. Nat. Sc. Oct. 1840, p. 20. 



5 R 



