CONCHOLOGY. 
sinus ; outer lip lineate internally, and marked 
below the upper margin by a decurrent callus, 
Includes Buccinum lineatum, 
78. Phasianella, Shell solid, conic-oval : 
aperture oval, with the lips disunited: pillar 
smooth, depressed, tapering at the base. Oper- 
culum calcarious or horny. 
Includes Turbo Pullus and others. 
79. Cingulus. Shell oval: aperture oval, with 
the lips united, and the margin acute; piilar 
smooth, 
Includes Turbo parvus and others. 
80. Scalarta. Shell turreted, ribbed longitu- 
dinally : aperture orbicular, with the lips united, 
and the margin reflected. 
Includes Turbo Clathrus. 
81. Turritella, Shell turreted, with a long 
spire: aperture roundish, entire, with the lips 
disunited; outer lip with a sinuosity and slightly 
channelled at the base internally ; operculum horny, 
suborbicular, 
Includes Turbo Terebra. 
82. Pyramidella, Shell conico-subulate, polish- 
ed, with numerous flat volutions, the sutures hardly 
visible: aperture oval, with the lips disunited ; 
pillar smooth. GOperculum oval, horny. 
Includes Turbo politus, and subulatus. 
7. CANALIFERE. 
Shell spiral, ending at the base of the aperture 
