4SS DOMAIN V. CALCAREOUS. 



particularly by the formation of a noble cabinet, 

 now the public property. The respect due to 

 his excellent heart, and polite manners, is in- 

 creased by the regret for his misfortunes, during 

 a revolution which at length destroyed itself, by 

 ruining even the natural and eternal aristocracy 

 of talents; so that the members having, as it 

 were, extinguished the eyes, were of course re- 

 duced to darkness and perdition. 



" The hill of Montmartre is elevated about 

 forty fathoms above the level of the Seine. The 

 summit is covered with vegetable earth, under 

 which is a bed of sand, mixed with rolled flints. 

 This is seated on layers of marl, of different 

 colours and thickness: this marl precedes and 

 accompanies horizontal beds of gypsum. 



" The quarries of Montmartre may be consi- 

 dered as divided into three successive large beds, 

 or masses. 



" The first, called haute-masse by the work- 

 men, is often more than fifty feet thick; it pre- 

 sents beds placed one on the other, without any 

 sensible interruption, although separated : they 

 are seated on a bed of bluish argil, spotted, about 

 twelve feet thick. This argil is intermixed with 

 marl. 



" The second part is called pierre franche. 

 This gypsous mass, which is nearly fourteen 



