196 CON C H O LOG Y. 



the under, or mouth part, flat. They 

 have near fiat, or, at moft, very ihort 

 clavicles or turbans. The mouth is long, 

 rather narrow, and ends at top in a gut- 

 ter, which turns veiy large, Ibong, and 

 wry on the back ; the lip is always 

 llrongly and thickly toothed, and riles 

 into a high thick border, or ledge, on the 

 upper part or back.; and the pillar is moil 

 generally drongly toothed, ridged, or let 

 with fmall bumps or afperities. Pl. IV. 

 fig. 10, a helmet /hewn on the flat or 

 mouth fide. 



Some fyftematical autliors have agreed 

 with me in making a diflinfl: or particular 

 family of thefe Shells, and call them Caf- 

 fides. Such are Rumphius, Meufchen, 

 and Gualtieri. 



Linnsus ranks them as Buccina, Ar- 

 genville and Davila as Murices ; and, laft- 

 ly. Lifter among his Buccina, Lib. iv. 

 Sedion XV. c. 7 and 8, by the name of 



bcHied 



