proper proportion of Line of Communication units. The grand total of units necessary to complete amounted to 15,272 men, 4,765 horses, 58 guns, and 16 machine guns. The total of the First and Second Contingents was over 45,000, not counting reinforcements necessary to maintain its numbers and efficiency upon commencement of participation in active operations. Reinforcements were calculated at a yearly rate of seventy-five per cent. of the total forces engaged.
Early in November, 1914, the War Office cabled that after three months of experience it had been shown that reinforcements should be provided on the basis of twenty-five per cent. per month. This meant that the First Contingent would require from 3,000 to 4,000 men per month; when the Second Division joined it the number would be raised to between 6,000 and 8,000 men per month besides 300 per month for the Princess Patricia's