MUREX. 89 
of the shell ; pale fulvous ; the body-whorl rather 
large, transversely furrowed, and striated; spire 
prominent. 43. W. 26. 3. 
M. TENUISPINA. Ventricose above, with a 
long beak, and its varices covered with long sub- 
ulate curved spines; body-whorl of a moderate 
size, transversely striated and furrowed, longi- 
tudinally wrinkled; spire prominent. 43. This 
species has its whorls slightly cancellated. W. 
25. 4. 
M. HAUSTELLUM. Ventricose above, with 
three thick varices, and intermediate smaller ribs, 
which are nodulous, flesh-colour, and transversely 
marked with deep brown; spire short; tail long, 
straight, and slender ; mouth roundish ovate, rose- 
colour and furrowed within. 4. W. 25. 1. 
** Tail short; three varices. 
M. 1nFLATus. Ovate-oblong, ventricose, 
transversely grooved and striated; the varices 
covered with very large curved, canaliculated, 
serrated, and sub -laciniated foliations; white, 
clouded or tinged with pale rufous ; between the 
varices is a longitudinal range of tuberculations ; 
beak recurved; columella pink. 432. S. 395. 
M. apustus. Abbreviated -fusiform, sub- 
oval, ventricose, thick; three ramose varices, 
transversely furrowed; black, except on the left 
side of the varices, between each of which arises 
