1 N D E X. 3t5 



Shells, Polythalamia. See Chambered, 



« Helices, ii8. 



— — Heteroflropha, 119-* 



• Operculated, i ig. 



Umbilicated, 117. 



• See Bivalves, Univalves, and Multivalvcs. 



• thofe moil common in the recent or living ftatc 



occur feldom foffil, and vice verfa, 163, 260, 

 Ship JVorms, See Teredo* 

 Sinus, See Scoops 

 Sloane, 57. 

 Slopes of a biualve, 2A1» 

 Stilus, 17? 70, 77. And CcQ Ccchlea. 



Gold iVlouth, 204. 



-^ — Silver Mouthy 204, 

 — — — Serpents fkin, 204. 



Ear. See Auris Cochlea, 



Land, 4, 5. 



Sole, See Efcallopo 

 Solen^ 55 274, 276. 

 Spider Sy 27, 230. 



Spire, or Spiraj 113. See Whirl* 



Spondyle, 244, 249. 



Strombi* See Buccina. 



Sulcus, See Furrow, 



Summit of a Bivalve, 240- 



Surface of a Bivalve, Superjficies, 24O. 



SvuctlloWf 272. 



A ^elUn 



