CONTENTS. XXI 



Table of the Extent of the Zodaical Constellations, as they 

 are designed upon our Globes, and of the Times re- 

 quired by the Colures to traverse them, - - - - -212 



Construction and Use of the Table, - - - : ''- ;i - - -216 

 The Zodiac is far from bearing in itself a certain and ex- 

 cessively remote date, ---------- 230 



Exaggerations relative to the Antiquity of certain Mining 

 Operations, ------------- 238 



General Conclusion relative to the Period of the last Re- 

 volution, ----- - - - - - - - - - - 239 



Further Researches to be made in Geology, ----- 240 



Recapitulation of the Observations upon the Succession of 

 the Tertiary Formations, --------- 243 



Table of Geological Formations in the Order of their Super- 

 position ; by M. A. de Humboldt, - 249 



Enumeration of the Fossil Animals recognized by the 



Author, - - - - - 253 



Ichthyosaurus, - 255 



Plesiosaurus, ------------ 256 



Crocodile, 258 



Megalosaurus, ------.:---*-- 259 



Pterodactylus, ---- 261 



Iguanodon, - . . - , - - - - u-^v^-^ -* ;. ?? - 263 



Mosasaurus, - - - - - - - - -,>-,- 264 



Dolphin, - r< - - - - - : - ' '"*' " . "V - ib. 



Lamantin, - - - - - - - - - * - v - - 265 



Morse, .- - - - - 265 



Palaeotherium, - 266 



Lophiodon, 268 



