OF CONCHOLOGY. 75 



Genus 24th.— BUCCINUM. Ani- 

 mal a Limax ; shell univalve, spiral, 

 gibbous ; aperture ovate, terminating 

 in a short canal leaning to the right, 

 with a retuse beak or projection ; pil- 

 lar-lip expanded. Linn. Syst. 323. 

 Plate 8th, fig. 24th. 



The Buccina are divided by Linne 

 into nine families : *ampulla, &c. inflat- 

 ed, rounded, thin, sub-diaphanous, 

 and brittle ; ** cassidea, caudata, &c. 

 with a short, exerted, reflected beak, 

 lip unarmed outwardly ; ***cassidea, 

 unguiculated, &c. lip aculated on the 

 outside of the posterior part ; in other 

 respects resembling the last division ; 

 ****callosa, &c. pillar-lip dilated and 

 thickened; *****dentrila, &c. pillar-lip 

 appearing as if worn flat; ******la3vi- 

 gata, &c. smooth, and not enumerated 

 in the former divisions ; ********angU' 

 lar, and not included in the former 

 divisions ; ***«****tapering, subulate, 

 and smooth. 



