DOMAIN VH. COMPOSITE. 



that the summits of the Pyrenees are of a 

 shelly and fetid marble ; while the Andes 

 are chiefly composed of clay, and pour out 

 rivers of mud. When we compare these 

 grand scenes with the little mountains or 

 hills of Saxony, we must regret the per^ 

 verseness of fate, which has confined Wer* 

 ner to such an insignificant field of observa^ 

 tion. Nor can the travels of his disciples 

 affect the question, for many have changed 

 their sentiments upon their visits to Au- 

 vergne, and other volcanic countries; and 

 observations of the great master alone merit 

 confidence ; for we all know, from Hogarth, 

 how Richardson could read Greek through 

 his son. 



These introductory observations are not 

 unnecessary in passing to new and grand 

 divisions of the rocks, which have been 

 blended and confounded under several 

 vague denominations, but which are here 

 separated into various great assemblages, 

 for the sake of more clear detail, and more 

 accurate knowledge. 



Under the important Mode of granite, 



