DOMAIN V. CALCAREOUS. 



a conchitic marble found near the same place ; 

 but the former being more easily worked, is 

 preferred for chimney-pieces and other objects, 

 according to the information given me by M. 

 1-ucas, a most obliging and intelligent youth, 

 who has published some useful works on mine- 

 ralogy. The father has the care of the collection 

 of the Jar din des plantes ; and by his respectable 

 character, and gentle manners, prevented many 

 outrages that were offered to that sacred deposit, 

 during the times of anarchy. 



MODE XIV. CALCAREOUS GLUTENITE, 



This mode presents many important objects, 

 as the celebrated bricias and kollanites in mar- 

 ble, with the calcareous sandstones, used for 

 various purposes of construction. It falls, as 

 usual, under two divisions, the large grained and 

 the small. 



STRUCTURE I. LARGE GRAINED. 



Bricias of limestone are common at the bottom 

 of many calcareous hills, but attract little atten- 

 tion ; except in colour arid grain, they belong to 

 that noble mode called marble, A singular kind, 



