151 
Distinguished from S. Lessoni by its coarsely striated surface and 
different markings; and from S. castaneus by its larger size and 
darker colour, in being more striated, and by two dark yellowish 
bands on the upper part of the last whorl. 
Scarasus semisutcatus, A. Adams. S. testd ovato-pyramidali, 
leviusculd, rufo-castaned, longitudinaliter viz striatd, anfracti- 
bus convexiusculis semisulcatis, fascia nigricante prope sutu- 
ram; aperturd subrotundatd ; labio crasso, anticé rotundatd, 
dilatatd ; labro semicirculari, posticé subsinuato. 
Shell ovately pyramidal, smooth, reddish dark chestuut colour, 
longitudinally slightly striated ; whorls rather convex, semisulcated, 
with a blackish band near the sutures; aperture rather round ; inner 
lip thickened, anteriorly rounded and dilated ; outer lip semicircular, 
posteriorly somewhat sinuated. 
Hab. ? (Mus. Cuming.) 
A pyramidal, smooth, dark-brown shell, with the whorls strongly 
sulcated longitudinally near the sutures; two of the teeth im the 
outer lip are much larger than the others, and the inner lip is rounded 
and thickened in front ; the umbilicus is large and deep. 
Scarasus sinvosus, Adams. S. festd ovato-oblongd, flavescenti 
nigro-fusco maculatd; epidermide tenuissimé longitudinaliter 
substriatd ; spird obtusd, lateribus convexis ; aperturd oblongd ; 
labio anticé rotundato, reflexo ; labro posticé valde sinuoso, in 
medio inflexo, peritremate incrassato. 
Shell ovately oblong, yellowish, spotted with blackish brown ; epi- 
dermis very finely longitudinally substriated ; spire obtuse, the sides 
convex; aperture oblong; inner lip anteriorly rounded, reflexed ; 
outer lip posteriorly strongly sinuated, inflexed in the middle, peri- 
treme thickened. 
Hab. Island of Negros, Philippines. (Mus. Cuming.) 
The posterior tooth of the inner lip is elongated, the middle tooth 
double ; in the outer lip three of the teeth are prominent, the two 
posterior being approximated ; the umbilicus is partly closed by the 
reflection of the inner lip. 
ScARABUS IMPERFORATUS, A. Adams. S. festd ovatd, compressd, 
imperforatd ; spird brevi, acuminatd, lateribus concavis, levius- 
culd, longitudinaliter tenuissimé substriatd, lutescenti fusco- 
castaneo variegatd, anfractu ultimo posticé subangulato ; aper- 
turd oblonga ; labio anticée excavato, reflexo, labro semicirculari. 
Shell ovate, compressed, imperforate; spire short, acute, sides 
concave, rather smooth, longitudinally very finely substriated, yel- 
lowish, variegated with light chestnut, last whorl somewhat angulated 
posteriorly ; aperture oblong ; inner lip anteriorly flattened, excavated, 
reflexed ; outer lip semicircular, umbilicus closed. 
Hab. Borneo. (Mus. Cuming.) 
The last whorl is posteriorly gibbous ; the umbilicus is closed by 
the inner lip; three of the teeth in the outer lip are prominent, the 
two posterior approximated. 
