4 



ILLUSTRATIONS OF THE 



It fh 



u 



Id alfo b 



ferved, that 



faaof 



the 



for 



red ion of the abrupt faces of 



mountains, is often too haftily g 



In 



primitive countries, it is no farther obferved than 



bv the fleep faces of 



mountains being moft 



frequently turned toward the central cha 



Scotland, as foon as yo 



the flat 



d 



the Highlands, the fcarps of 



Ir 



try 



365, Where the ftrata 



face indifcriminately all the points of the com- 

 pafs, and are direded as often to the eafl as to 

 the weft. 



are nearly horizontal, 

 they afford the moft diftind information concern- 



1 



ing the diredion and progrefs of thewaftingof the 

 land. The inclined pofition of the ftrata, which 

 in all other cafes muft enter for fo much into 

 our cftimate of the caufes which have produced 

 the prefent inequality of the earth's furface, dif- 

 appears there entirely ; ar 



d th 



hole of that 



neqiiality is to be afcribed to the operations 



the furfac 



hether they h 



been fudden 



gradual. A very important fad from a coun-? 

 try of this fort, is related by Barrow, in his 

 Travels into Southern Africa. The moun- 

 tains about the Cape of Good Hope, and as far 

 to the north as that ingenious traveller profecu- 

 ted his journey, are chiefly of horizontal ftrata 

 of fandftone and limeftone, exhibiting the ap- 

 pearance, on their abrupt fides, of regular layers 



of niafonry, of tovv^ers, fortifications, &c. Kow, 



among 



