a lok 
438 
a line with posterior margin of the shell. Colour brownish red, 
ornamented with white or reddish-white diverging lines. 
EuLIMA ACICULATA. 
Shell slender, acicular, smooth, shining, polished; whorls about 
twelve, flattened ; sutures faintly defined ; apex slightly distorted ; 
aperture small, oval; lip plain, simple. Colour white. 
LEIOSTRACA DISTORTA. 
Shell small, subulate, light, thin, smooth, transparent, curved and 
distorted ; whorls about eight, flattened, the last about half the 
length of the shell; aperture oblong oval, rather more than half the 
length of last whorl; inner lip continued by a callosity over the 
columella to its junction with the outer lip. Colour white. 
TURBONILLA DECUSSATA. 
Shell subulate, light, thin, white, longitudinally ribbed and decus- 
sately spirally striated; ribs about twenty in number, becoming ob- 
solete at the periphery of the last whorl, spiral striz continuing to 
the base; whorls ten, convexly rounded, the first few shouldered 
posteriorly, irregularly varicose ; varices four or five in number, about 
twice the width of the ribs and with their surface transversely striated ; 
outline of the spire slightly curved ; sutures well impressed ; aper- 
ture oval; columella indentedly curved; inner lip straight, very 
slightly recurved at base. 
RIssOINA TRITICEA. 
Shell somewhat fusiformly ovate ; whorls five, convexly rounded, 
the last more than half the length of the shell, longitudinally ribbed ; 
ribs nine, prominent, smooth, continuous over the sutures; aperture 
ovate ; outer lip thickened externally ; suture at base slight. Colour 
white. 
RIssOINA TURRICULA. 
Shell turreted; whorls six, slightly angulated at the upper part, 
finely striated transversely, ribbed longitudinally ; ribs ten, prominent; 
the last whorl encircled by a groove near its base ; aperture ovate ; 
suture at the base broad. Colour white. 
RIssoA GRACILIS. 
Shell slender, elongate, shining, ribbed longitudinally, ribs some- 
what flexuous; whorls convexly rounded; aperture oval. Colour 
reddish-brown, 
