No More Learning

Of such towns the Helvetii had twelve and the           an equal number ; whereas at all events in the more northern districts, such as among the Nervii, while there were doubt less also towns, the population during war sought protection in the morasses and forests rather than behind their walls, and beyond the Thames the primitive defence of the wooden
groups;
Allobroges
chap, vii THE SUBJUGATION OF THE WEST 15
barricade altogether took the place of towns and was in war the only place of refuge for men and herds.