Mr. F. P. Marrat on some new Species of Oliva. 213 
with brown; plaits numerous, indistinct ; canal edged with 
brown. 
Borneo. - 
About the size of a small O. maura. 
2. Oliva sabulosa, Marrat. 
Shell oblong fusiform ; spire flatly conical; whorls rounded, 
callous ; colour yellowish white, with small red-brown spots 
and two interrupted letter-like bands; columellar plaits 
prominent, continued nearly the whole length; interior of 
the aperture and columella cream-coloured; basal folds 
broad and raised. 
Locality unknown. 
Larger than O. tricolor, Lam., or episcopalis, Lam., with 
the spiral whorls peculiarly rounded and callous. 
3. Oliva angustata, Marrat. 
Shell narrowly cylindrical; spire slightly raised, canaliculate, 
edged with small rather close dots; colour pale yellow, 
with two brown interrupted bands and small pale dots; 
columella plaited more than midway, with two or three 
broad folds at the base ; interior of the aperture bluish white. 
China. 
Most nearly allied to O. neostina, Duclos, but is smaller, 
narrower, and differs in the folds and columellar plaits. 
4. Oliva nota, Marrat. 
Shell ovate fusiform, rather inflated; spire considerably ex- 
serted, canaliculate; suture with large brown blotches; 
white, with broad wavy brown lines, which become darker 
about the belt; belt white; columella rounded, basal band 
white; a single deep-purple fold at the base; the pattern 
of the shell is seen through in the interior. 
Locality unknown. 
Not like any other species known to me. Size 545 inch by 
=— inch. 
5. Oliva exilis, Marrat. 
Shell narrowly fusiform ; spire elongate conical, canaliculate ; 
colour white, with pale yellow-brown reticulated markings ; 
beneath the spire and basal band white; columella callous, 
with five or six very strong plaits at the base; interior of 
aperture white. 
South America. 
This is a third species belonging to the genus Lamprodoma 
of Swainson. Size, similar to the last. 
