One foreman of labor, $3.00 per day " of brickyard, 5.82 " " " of carpenters, 3.00 " " One time-keeper, 2.50 " " _West Shaft._ One captain, $3.50 per day. Two statisticians, who keep an account of articles delivered to the workmen, and also perform the electrical firing, 2.50 " " _Central Shaft._ One captain, $5.00 per day. One time-keeper--acting statistician, 2.25 " " _East End._ One time-keeper, $3.00 per day. One statistician, 2.50 " " One " 8.00 " " One foreman of masons at the East End, and inspector of do. at West End, 5.00 " " One foreman of carpenters, 3.00 " " Of this list the foreman of the brickyard is a temporary appointment. The foreman of carpenters at the West End has finished his work and retired. The foreman of masons was discharged by the commissioners, and has entered into the employ of Mr. Farren at the West End. There are nine foremen of the heading gangs, two of whom have $100 per month, and the remainder $3.00 per day. The heading gangs consist of eleven drillers each, including the foreman, and from three to five rockmen for removing stone. They work by shifts of eight hours, relieving each other at 8 A. M., 4 P. M., and 12, midnight. The blasts are made about the time of relief. The men working on the enlargement under private contractors make two shifts a day, each shift working ten hours. The Committee made a special examination of the number of men employed under the engineer and superintendent, with a view of considering whether the force actually engaged was necessary to an economical prosecution of the enterprise, intending to suggest any reform that might occur to them as essential; but learning that the engineer would in the course of the year make some reduction in the number of the men as well as of the teams employed upon the work, the Committee deferred taking up the subject until the anticipated reductions should have been made. And now understanding that the commissioners have the whole matter under consideration, and that they have already to some extent, acted thereon, the Committee for reasons that would be obvious, withhold any recommendations or remarks upon this point. SYSTEM OF OPERATIONS. The general superintendence of the labor on the work is vested in Mr. Hill. The reports are made to the engineer. The captains in the tunnel report weekly the proceedings of each day under the following heads, as follows:--