CONCHOLOGY. 
9. PURPURIFERZE. 
Shell with a short reflected canal at the base of 
the aperture, or with an oblique reflected fissure. 
88. Purpura. Shell oval, with or without 
tuberclus, or angular ; aperture dilated, notched at 
the base, with an oblique somewhat channelled 
sinus ;: pillar flattened, ending in a point at the base. 
Includes Buccinum Lapillus. 
89. Dolium. Shell thin, inflated, with transverse 
belts : outer-lip toothed or crenate its whole length : 
aperture longitudinal, notched at the base. 
Includes Buccinum Perdix, 
90. Buccinum., Shell oval or conic-oval : 
aperture longitudinal, emarginate at the base with- 
out canal: pillar not depressed, turgid above, 
undulately curved. 
Includes Buccinum undatum, 
10. COLUMELLIDZE. 
91. Marginella. Shell oval-oblong, quite 
smooth, with a short spire: aperture elongated, 
slightly emarginate or reflected at the base. Pillar 
plaited at the base. 
Includes Voluta levis. 
11. CEPHALOPODES; 
Body immersed in a sack, Head external ; the 
mouth surrounded with inarticulate feet, 
