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subgibboso, ad extremitates subacuta, canalibus brevibus, subpro- 
ductis, integris; apertura angusta; labio levi, tumido, postice 
callo producto, spirali instructo, ad canalem tortuoso, antice exca- 
vato, ad canalem obscure uniplicato, labro complanato, lirato, intus 
denticulato. 
Hab. Japan. Mus. Cuming. 
A beautiful delicate pink species, with the posterior canal a little 
produced, and the inner lip at that part spirally contorted, the ante- 
rior part excavated and the extremities transversely sulcated. 
4, Ampurpreras scituta, A. Adams. 4. testa ovali, ventricosa, 
levi, alba, transversim striata, ad extremitates subproducta ; aper- 
tura angusta, canalibus brevissimis, integris, labio postice callo 
spirali instructo, antice uniplicato, labro complanato intus et ad 
extremitates usque ad marginem plicato-dentato. 
Hab. New Caledonia. Mus. Cuming. 
This is a small species of a white colour somewhat resembling 
A. concinna, Sow., but the back is not gibbous, and is transversely 
striated ; the strize are sometimes almost obliterated in the middle. 
5. AMPHIPERAS PYRULINA, A. Adams. A. testa ventricosa, pyri- 
formi, albida, ad extremitates subproducta et pallide fulva, trans- 
versim striata; apertura angusta; labio levi, in medio tumido, 
canalibus brevibus vir emarginatis, postice callo simplici instructo, 
labro intus crenulato. 
Hab. New Caledonia. Mus. Cuming. 
A neat pyriform species very much resembling A. bimaculata, but 
the interior of the beaks wants the orange spots seen in that species, 
and the general form of the shell is pyriform and constricted ante- 
riorly. 
6. AMPHIPERAS BIMACULATA, A. Adams. A. festa ovali, sub- 
pyriformi, albida, fasciis tribus pallide fuscis, transversis ornata, 
ad extremitates vir producta, transversim striata, canalibus intus 
aurantiaco tinctis ; apertura angusta, labio postice callo crenato 
instructo, labro intus crenulato-plicato. 
Hab. New Caledonia. Mus. Cuming. 
Somewhat resembling 4. pyrulina in colour, but is not so pyri- 
form; the posterior callus of the inner lip is crenate, and there are 
three pale brown bands across the back of the shell; the orange 
marks in the beaks are also peculiar. 
7. AMPHIPERAS (OvuULA) Pupica, A. Adams. A. testa ovata, 
ventricosa, carnea, albo-varicosa, levi, canalibus brevibus, viz 
emarginatis ; apertura angusta, alba; labio postice tuberculo ele- 
vato, subacuto instructo, antice producto, angulato,ad canalem uni- 
plicato, labro intus crenulato, margine serrato. 
Hab. New Caledonia. Mus. Cuming. 
A flesh-coloured bulliform species with the aperture and varix of 
the outer lip white and the margin of the outer lip serrated ; it is 
