PREFACE. 



xix 



chlncha, Cotopaxi, and Chimborafo ; which 

 are, perhaps, the moft remarkable and in- 

 ftruclive volcanos in the whole world. 



Ant. Lazaro Moro ventured in 1 740 to 

 afcribe all the ^ratified fecondary mountains 

 to volcanic eruptions ; but he did not prove 

 his aflertion ; and thus convinced nobody ; 

 nor ever will, in refpect of thofe beds, 

 which vifibly are produced and depofited by 

 the fea. 



Count Buff on ' in 1749 prefumed to fay of 

 all the volcanic mountains, and the new- 

 raifed iflands, that " they are without 

 '* parallel beds, and that their materials and 

 " fubftances are deftitute of any regular 

 " pofition, prefenting only the difcrder of 

 '* irregular eruptions." But what volcano, 

 or what new-raifed ifland, had he or other 

 Naturalifts examined ? None. 



Mr. La Condamine, after having feen Italy 

 in 1755, feems to have been the firft who. 

 obferved, and told the public, that all tha 

 environs of Naples are volcanic ; and that 



1 Hift. Naturelle, Edit, de Paris, 



b the 



