Philadelphia military preparing for service.
--The Philadelphia Inquirer of yesterday contains the following statement:Some of our military companies are preparing themselves for any emergency which may arise in the present troubles. Next Thursday evening Company A, of the Philadelphia Light Guard Regiment, Capt, C. L. Mintser, will meet at the State Arsenal for drill, where books will be opened for the enrollment of young men, to all the ranks preparatory to offering service in defence of the country. We learn that applications for membership of other military organizations are unusually numerous.