74 
aperta, intus sulcata; labio subincrassato, albo, reflexo, con- 
centrice striato. 
Hab. Swan River. Mus. Cuming. 
In form this species somewhat resembles S. papyracea, but it is 
smaller, of a more solid texture, and with colouring and sculpture 
entirely of a different character. ; 
26. SromaTeLLta Cuminei, A. Adams. SS. testa auriformi, 
imperforata ; spira depressa, lutescenti-albida, transversim spt- 
raliter costata, costis elevatis, subequalibus, asperis, rufo-fusco 
articulatis ; interstittis lamellis subimbricatis, tenuibus, longi- 
tudinalibus ornatis; apertura patula, intus sulcosa; labio 
subreflexo. 
Hab. ? Mus. Cuming. 
This is a large and elegant species, with a peculiar yellow, glisten- 
ing tinge in the iutervals between the spiral rugose ribs; the aper- 
ture is very transverse, and the inner lip is reflexed on the columella. 
27. SromaTetta Arasica, A. Adams. 8S. testa ovato-globosa, 
subturbinata, umbilicata, alba, rubro concinne variegata ; spira 
producta; anfractibus liratis, ultimo ventricoso, convexo, trans- 
versim striato; apertura aperta, subovali; columella obliqua, 
regione umbilicali impressa; labio albo, tenui, reflexo, umbili- 
cum partim obtegente. 
Hab. Red Sea. Mus. Cuming. 
This is a small species with the whorls rounded and simply striated. 
The colour and markings vary ; the ground, however, is usually white 
with large irregular reddish blotches. 
28. STOMATELLA CALLIosToma, A. Adams. _ S. testa ovato-sub- 
turbinata, rimata, spira depressa, rufescente, fusco variegata, 
transversim lirata, liris elevatis, inequalibus ; apertura trans- 
versim ovali, intus rosea, iridescente; labio tenui, acuto, ar- 
cuato. 
Hab. Ceylon. Mus. Cuming. 
The interior of the aperture in this species is 6f a beautiful irides- 
cent reddish or violet tint; externally, the whorls are spirally lirate, 
and of a reddish brown, variegated with markings of a darker colour. 
29. SroMATIA BICARINATA, A. Adams. SS. testa turbinata, um- 
bilicata ; spira producta, lutescente, maculis viridibus radiatim 
dispositis, ornata; anfractibus planiusculis, superne angulatis, 
ultimo carinis duabus elevatis, instructo, transversim spirali- 
ter striato ; apertura mediocri, subtetragonal ; columella recta, 
antice vie callosa. 
Hab. Moreton Bay, Australia. Mus. Cuming. 
This is a very pretty species with a deep umbilicus, and straight 
columella ; the whorls are furnished with prominent keels, of which 
there are two on the last whorl; the shell is ornamented with green 
blotches. 
