MELVILL AND STANDEN: SHELLS FROM LIFU. I15 
Cerithium armatum Phil. var. lifuensis nov. (Pl. HL. 
fig. 33). Differs from the type in greater nodulosity of 
whorls, especially round the sutures, and in more pro- 
nounced yet delicate marking and brighter colour. 
Apparently common in Lifu. 
C. carbonarium Phil.—Three or four specimens. Allied to 
the West Indian C. atratum Born. 
C. corallinum Sowerby.—One small specimen of this Philip- 
pine Island species, received through Mr. R. Cairns. 
C. columna Sowerby.—An immense number of specimens, 
many being fine and thousands in fragmentary condition. 
C. dichroum sp. nov. (PI. IL, fig. 5). 
C. testa solida, breviter fusiformi, pallidé ochracea, trans- 
versim crasststriata, anfractibus octo, trregulariter supra 
suturas nodulosis atqgue castaneo zonatis, ultimo apud pert- 
pheriam altera zona, nunc tenut, nunc latiore et interdum 
interrupta succincto,canalt paullum producto, apertura ovata, 
labro simplice. 
Long., 8 mill. Lat., 3°50 mull. 
Hab., Lifu. 
A somewhat shortly fusiform species, the whorls much 
cemented together, and since they are uniformly transversely 
striate, it is difficult to descry the sutural juncture. A brown 
chestnut band, in some specimens broader than in others, en- 
circles the shell just above the sutures, the last whorl also 
having an additional band round the periphery. Various 
nodules, somewhat irregularly placed, also encircle the whorls 
above the sutures. 
Several specimens. Near C. untlineatum Pease, from the 
Galapagos Islands. 
C. dubium Sow. = C. eludens Bayle.—Several in a young 
state. 
C. gracile Pease — C. rostratum Sow.—Several. 
C. morus Lam.= C. variegatum Quoy.—Not so abundant 
as some of the other tropical forms at Lifu. Mostly 
young specimens. 
