Pig. 1. — Map of the Davos Valley. 

 [Scale 1 : 25,000, or al jut ^ inch = 1 mile.] 



[The dotted areas represent the superficial deposits : moraine-material, talus- 

 fans, river-accumulations, and alluvium. Heights are expressed in metres. 

 A A, BB, etc. = transverse sections, for which see fig. 2, p. 284.] 



