and Lowell Railroad, and Nashua Railroad should be studiously kept apart from such a line, because it forms no natural part, and does form a natural part of another line. It is urged that the possession of terminal facilities in Boston should be allowed a controlling influence in this matter; that the Boston and Lowell Railroad has obtained the only convenient terminus in Boston for a great Western line—more than is needed for its own business, or the business of the Northern line, and therefore that the railroad policy of the Commonwealth should be compelled to yield to its position. To this there are two answers.