CONTENTS. 



Advertisebient, .... 



Preface, . ^ . . . . . 



Introduction, ...... 



Explanation of the Parts of Shells, 

 JMultivalve Shells, 

 Bivalve Shells, 

 Description of Plate IV — Hinges of the I 

 Genera of Bivalves, 

 Univalve Shells, 

 Of the Lirwiaean Genera, 



Order I Multi valve Shells, . 



II. — Bivalve Shells, . 

 Ill — Univalve Shells, . 

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

 Divisions, ....... 



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



Pa-e 



V 



vii 

 13 

 18 

 18 

 19 



24 



25 

 33 

 33 

 30 

 47 



62 

 65 



Class First. — Testaceous Mollusca, 

 Order I.— Heteropoda, 



II. — Cephalopoda, 



III Trachelipoda, 



IV Gasteropoda, 



V. — Pteropoda, 



Class Second CoiicHiFERA, 



Order I — Monomyaria, 

 II. — Dimyaria, 



65 

 65 

 66 

 76 

 107 

 119 



121 

 122 

 134 



