CONTENTS 



Page 



Advertisement, v 



Preface, ..,,,,,, vii 



Introduction, 13 



Explanation of the Parts of Shells, ... 18 



Multi valve Shells, .... 18 



Bivalve Shells, 19 



Description of Plate IV — Hinges of the Linnaean 



Genera of Bivalves, .... 24 



Univalve Shells, .... 25 



Of the Liiwiaean Genera, 33 



Order I Multivalve Shells, ... 33 



II.— Bivalve Shells, .... 36 



III —Univalve Shells, ... 47 

 Table of the Linnaean Genera of Shells, with Lamarck's 



Divisions, 62 



Lamarck's Genera of Shells, . .... 65 



Class First. — Testaceous Mollusca, . . 65 



Order I. — Heteropoda, .... 65 



11.— Cephalopoda, .... 66 



III Trachelipoda, ... 76 



IV Gasteropoda, .... 107 



v.— Pteropoda, . . . . 119 



Class Second Conchifera, 



Order I — Monomyaria, 

 II Diinvaria, 



121 

 122 

 134 



