CONTENTS 



LECTURE I 



PAGE 



The Cosmogonists First beginnings of accurate and detailed 

 observation regarding the Earth's crust and its history 

 Guettard and his labours . . . . .1 



LECTURE II 



The rise of volcanic geology Desmarest Rise of geological travel 



Pallas, De Saussure . . . . . .47 



LECTURE III 



History of the doctrine of Geological Succession Lehmann, Fuchsel, 

 Werner The spread and decline of "Wernerianism D'Aubuis- 

 son, Von Buch . . . . . . .94 



LECTURE IV 



Rise of the modern conception of the theory of the earth Hutton, 



Playfair Birth of experimental geology Sir James Hall . 150 



LECTURE V 



The rise of stratigraphical geology The work of Giraud-Soulavie, 

 Cuvier, Brongniart and Omalius d'Halloy in France ; the 

 labours of Michell and William Smith in England . . 201 



