ACTION OF RIVERS. 
21 I 
but in the same river system we have also the 
Drance de Bagne, the Drance d’Entremont, and the 
Drance de Ferret. 
In the case of the Rhine also there is the Vorder 
Rhein, Mittel Rhein, Hinter Rheiri, Oberhalbstein 
Rhein, Averser Rhein, Safien-Rhein, etc. 
