92 
decussatd ; aperture margine irregulari, posticé acuminato, an- 
tice truncato, sinuato, sinu intus in canalem producto. 
Hab. Sibonga, island of Zebu, on small stones, 10 fathoms. Mus. 
Cuming. 
19. SuBEMARGINULA crRaTITIA, A. Adams. _ S. testd ovatd, 
conicd, albidd, vertice obtuso, centrali, posticé haud inclinato, 
costis radiantibus distantibus, nodulosis ; interstitiis costellis 
duabus longitudinalibus, et lineis elevatis, transversis, elegan- 
ter cancellatis ; aperture margine crenulato, anticé sinuato, 
sinu quadrato, intus in canalem producto. 
Hab. ? Mus. Cuming. 
20. SUBEMARGINULA scuLPTiILIs, A. Adams. _ S. testd ovali, ob- 
liqué conicd, albidd, viridi radiatim maculata ; vertice subcen- 
trali, posticé valde declinato ; costis radiantibus, longitudinali- 
bus, corrugatis ; interstitiis pulcherrimé punctato-clathratis ; 
costd anticd prominenti, crenulatd; aperture margine undu- 
lato et crenulato, posticée rotundato, antice truncato et sinuato, 
sinu intus in canalem producto. 
Hab. Calapan, island of Mindoro, on small stones, 12 fathoms. 
Mus. Cuming. 
3. DESCRIPTION OF A NEW SPECIES OF BuLIMUS FROM CALLAO, 
COLLECTED BY ERNESTE DENICKE. 
ComMMUNICATED By J. E. Gray, Esa., V.P.Z.S. 
Mr. Erneste Denicke, a sailor on board a Hamburg vessel trading 
with Chili, called at the British Museum, and informed me that he 
had a new species of Bulimus, which he had discovered on the White- 
sand Hill at Chala, near Callao. He further stated that he had col- 
lected the Chilian shells, and had studied shells in general, and that he 
was convinced that it was a new species. Having compared the shell 
with the species in the English collections and the descriptions in 
Pfeiffer, and being satisfied that M. Denicke was correct in his idea, 
I propose that it should be named after that conchologist. 
It was pleasing to see the intimate knowledge which he had 
acquired of the genera and species of shells, and the interest which 
he took in the study, when we consider the laborious nature of his 
occupation, and the very little time that he had at his command. 
The only holidays he had while his ship was in London were spent 
at the British Museum, at Mr. Cuming’s collection, and in the gar- 
dens of the Zoological Society. 
Buuimvus DENICKEI. 
Shell conical, trochiform, white, the upper whorls small, forming 
a rather produced tip, the others rapidly enlarging, slightly convex, 
forming a conical spire, the last angularly keeled ; axis perforated ; 
mouth rhombic ; outer lip slightly reflexed, acute; throat deep rose- 
coloured. 
Hab. Chala, near Callao, on the Whitesand Hills. 
