Calcareous Genus* 49 



II. VARIETY. 

 I. Pietra Talchina. 



This confifts of white fpar, with veins of 

 talc. 



2. Verde Antico. 



A light green marble, with deep green," 

 black, white, and purple fpots ; 100 parts 

 of it contain, according to Mr. JBayen 9 62 

 mild calcareous Earth, 30 of green talc, I 

 of magnefia, and i of femiphlogifticated iron. 

 12 Roz t 56. 



SPECIES IV. 



Compounds of the Calcareous and Argillaceous 

 Species. 



I. VARIETY. 

 Mild Calcareous Earth and Argillaceous Shiftus. 



i . Green Campanfrom the Pyrenees. 



This is a marble of a green colour, and 

 flightly magnetic. According to Mr. Bayen, 

 i oo parts of it contain 65 of mild calcareous 

 Earth, 32 of argillaceous, and 3 of femiphlo- 

 giftic^ited iron, n Roz. 499. Since this 



E ftone 



