ISO C O N G H O L O G Y. 



The firft genus of Vermiculi, though 

 found every where in great abundance, are 

 not of many different fpecies, 



Veriniculi, in their various windings, 

 are fometimes fo regularly fpiral, as to 

 jsmulate the moft perfect turbinated Shells ; 

 but that is only accidental. PL II. fig. 6. 

 a groupe of fmall Vermiculi Shells, and a 

 iingle large one fomewhat fpiral. 



The fecond genus, which I call Pene- 

 cllli, are Worm Shells, of a regular deter- 

 minate figure in the whole, or feme par- 

 ticular part, or elfe of a particular flrudlure, 



Thei*e are few fpecies of this genus^ 

 The Watering-pot, PI. II. fig. 8.^' from 

 the Eaft Indies, is the chief kind, and, 

 when perfect, is much valued. 



* Serpula Penis^ Linnaii Syft. Nat. p. 1267. 806. 



Gualtieri 



