394 



pally apparent in the futures: aperture oval ; outer lip 

 thick, but not marginated ; pillar lip replicated. Leno-th 

 a quarter of an inch ; breadth one third its length. 



On the authority of Do6lor Pulteney we have siven 

 this ihell as EngliJIi, who fays it is found on water plants 

 in rivers and ponds. 



We cannot, however, help expreding fome doubts 

 that the Doftor has been deceived ; as the fpecimens he 

 favoured us with, appear to be a foreign variety of our 

 Turbo truncatus , which is a marine (liell ; and from which 

 it differs in nothing but being rather larger, of a deeper 

 colour, and ufually more flrongly flriated. 



It is not uncommon amongft the fmaller fliells from 

 the Weft Indies ; but whether it is the fub-cyUndrica of 

 Linn /E us, which is quoted by the Doftor, we are not 

 quite clear. 



IS. 

 Lackhamen'sis. H. with a fub-pellucid fliell, of a dull, rufty-brown 

 Tab. 11. f. 3, colour, wrinkled longitudinally : volutions feven, alraofl 

 flat, but well defined by the feparating line ; the firfl 

 three or four larger fpires are fub-cylindrical, the reft 

 more fuddenly taper to an obtufe point : aperture fub- 

 oval, marginated, reflexed, whitifh, with frequently a 

 purple tinge ; inner lip fcarcely thickened on the body, 



the 



