1862.] MARINE SHELLS FROM THE PACIFIC ISLANDS. 279 
the margin. The dorsal ridges are also less in number, and in 
some specimens altogether wanting. 
Conus PURUS. 
T. turbinata, superne subrotunda, subtilissime transversim et lon- 
gitudinaliter elevatim striata ; spira vix concava, spiraliter 
striata; apertura lata; omnino alba, epidermide tenui lutes- 
cente induta. 
Shell turbinated, somewhat rounded at upper part, marked with 
very fine, unequal, transverse, and longitudinal raised stria, the 
former the most distinct; spire very slightly concave, spirally stri- 
ated ; aperture broad; wholly white, covered with a thin, yellowish, 
membranaceous epidermis. 
Length 40, breadth 21 mill. 
J DRiILii1A NODULOSA. 
T. pyramidali-oblonga ; anfractibus 8, superne depressis, longitu- 
dinaliter nodoso-costatis, costis undecim, anfr. ultimo infra 
tuberculosis nodis cingulato; apertura ampla, sinu rotundato, 
profundo; canali brevi, lato ; rufescenti-fusca, costis et colu- 
mella ad basin albidis. 
Shell pyramidally oblong ; whorls eight, concavely depressed above, 
longitudinally nodosely ribbed, ribs about ten; body-whorl encir- 
cled by a row of tuberculous nodules, in continuation of the longitu- 
dinal ribs ; aperture open, sinus round and deep ; canal short, wide. 
Colour reddish brown; ribs and base of columella whitish. 
Length 11, breadth 43 mill. 
ANACHIS COSTELLIFERA. 
T. oblongo-ovata, longitudinaliter costata, costis confertis com- 
presso-rotundatis, infra suturas subconstrictis ; anfr. 5, plano- 
convexis, anfr. ultimo inferne fransversim striato ; apertura 
ampla, sinu profundo, basi subtruncato, canals brevissimo ; costis 
griseo-albicantibus, interstitiis interdum rufescenti-fuscis; anfr. 
ultimo rufescenti-fusco semibalteato aut irregulariter picto. 
Shell oblong-ovate, longitudinally ribbed ; ribs about twenty, close, 
compressedly rounded, extending the whole length of the whorls, very 
slightly constricted beneath the sutures ; whorls five, plano-convex ; 
aperture rather wide; sinus open, on the central third of the lip ; 
base subtruncate ; canal very short; ribs greyish white ; interstices 
sometimes reddish brown ; last whorl partially banded or irregularly 
painted with reddish brown. 
Length 5, breadth 2 mill. 
SIPHONARIA DEPRESSA. 
T. ovata vel oblongo-ovata, depressa, tenuiuscula, subtrregulart, 
radiatim costata et lirata, costis paucis, prominentibus, con- 
centrice obsolete striata, apice subuncinato, siphone conspicuo ; 
nigricans, intus nigra. 
