they are not without value. The assumption that the Rhone Valley was one of the great highways across Europe was at one time very generally held, though its sole basis was the know- ledge that it became so under the Roman Empire. This theory has been repeated less of late years, yet as recently as… … RHINE VALLE. RHONE VALLEY. Fig. 1. Fig 2. by that time it was probably already the high continental trade route towards the tin mines of Britain » *. This paper aims at testing the truth ofthis statement. One or two difliculties have been met with during this inquiry. As is well known ‘here is a…