S E C T i O N X. 193 



The aperture of the Volutes riins the 

 length of the Shell : it is fo extremely 

 narrow as to be linear, (apertura linearis) 

 is all along of equal breadth, and refcmbles 

 a meer flit or fent. The Volutes have no 

 inner lip. 



Dr. Lifter calls the Volutes, Rhombl 

 vel Strombi Cylindro-pyramidales, Part IL 

 Seflion X. of lib. iv. Linni36us calls the 

 genus Conns y and tranfpofes the name of 

 Voluta to the Mitresy Perfian Crowns, Cy- 

 luidars, and other Univalves, that have their 

 pillar pleated or wrinkled. Gualtieri calls 

 them Cochleaj corioideas, the firft genus of 

 part iii. clafs i. or Cochlear long^e ; and 

 moft other authors, as Rumphius, Argen- 

 ville, &c. make a diftindl genus of them^ 

 by the eftabliflied rlariie of Voluta. 



The thirteenth family 1 fhall call Gla- 

 bofa?, or Tuns, and define them. Shells 

 ftioft generally of a fomew^hat globoid 



O fhape# 



