On the 1st of December British Infantry, belonging to the XIVth Corps, moved into the lines for the first time, taking over the Montello sector, to the south of the Italian Fourth Army.

A picket is a group consisting of two or more squads, ordinarily not exceeding half a company, posted in the line of outposts to cover a given sector.

In the former case the responsibility must rest partly upon the troops and subordinate Staff charged with holding that narrow sector and partly upon the High Command; in the latter case the chief responsibility, and a far graver one, must rest upon the dispositions of the High Command.

The command of the Second Army, whose divisions occupied a sector in the Woevre, was given to Lieut.-Gen.

Three days later we received an intimation from the Practical Joke Department that we were to evacuate our present sector of trenches (including Hush Hall) forthwith, and occupy another part of the line.

The disk A, having black and white sectors, when rotated rapidly gives an even gray tint as in B.] Experiment 181.

Our left, or attacking sector, had gained all their objectives against strong opposition in a most difficult country, and had drawn against them the very troops held in reserve for the main attack on Jerusalem.

Only the army knows the sector and the numbers of the regiment in that sector.

The strength of each depends upon the number of small groups required to observe properly its sector.

"Lieutenant," he whispered, "you bombard the left-hand sector, toward the fire and the sea.

The Colonel conferred with several authorities who had the matter in hand, and then, pointing out the sector in front which affected us, told us all to study it to the best of our ability.

You will recollect that the brightest part of the spectrum is in the yellow, and that it falls off in brightness on each side, so instead of opening and closing the sectors, they are set at fixed intervals, and the slit is moved in front of the spectrum, just making the shadow cast by the reflected beam too dark or too light, and oscillating between the two till equality is discovered.