^24 



ILLUSTRATIONS OF THE 



■calcareous ilrata of the valley of Afpe, repre-, 

 fented plate v. of that work, deferve particu- 

 larly to be remarked. 



20 1. Oar own ifland abounds with examples 

 of the bending and inflexion of the ftrata, efpe- 

 cially the primary, and many of them very much 

 refembling thofe in the Alpes and Pyrenees. 

 On the top of the mountain of Be?i-Laivers, in 



Perthfliire, there is) a rock, the face of which 

 exhibits a fe6lion of a great number of thin 

 equidiftant layers, bent backwards and for- 

 ivards, like thofe defcribed by SaufTure; and 

 this unequivocal proof of the rock having 



on 



:e exifted in the ftate of a flexible 

 tenacious palle, is rendered more ftriking, 



an 



th 



I great elevation of the fpot, and the rug- 

 gednefs and induration, both of the ilone it- 

 felf, and of every thing that furrounds it. Ma- 

 ny other mountains in this trad confiit of a 

 fchiftus. which is talcofe rather than raica- 



•m 



ceous, and fubjed, in a remarkable degree, to 

 the fort of finuofity and inflexion here treated 



of. 



primary fl: 



been already men 



The appearances of the 

 coaft of Berwickfliire, ha 

 tioned, as affording much valuable infirudion 

 in geology. They alfo exemplify the waving 

 and inflexion of the fi:rata on a large fcale, and 



with great variety. 



A feaion of fome of them 



IS 



