Report of the sub-committee appointed to consider the question of either extending the tramways or establishing a service of railless trolley cars or motor omnibuses in connection with the tramways undertaking, and, report of the Tramways manager containing (i) information as to the population of the several parts of the borough which the sub-committee recommend should be ocnnected with the existing system of tramways and (ii) an approximate estimate of the revenue which would be derived if their recommendations were carried out