j :' Both the entente allied ttrmlee pre-' i Bent a front of twenty-five miles, 4th I the British on the left for fifteen miles '.land the French on tho right for ten j miles. '' The region of this supreme contest one favorable for military opera-j.Jtions. It virtually nil is within the Department of the Somme, which is a level plateau of chalky formation. The fighting' lines extend between a great .-number of small villages, which are while the outlying agricultural sec-; tlons are level fields chiefly devoted to I beet culture for the extensive sugar i production of France.