"The simple fact that the ships employed in it [the mail service] _may hereafter, if the Government thinks proper_, be purchased and commissioned as regular war steamers, to be officered and manned as ships of war, should not and can not prevent the construction of steam or sailing vessels for ordinary naval purposes. Your Committee are of opinion that, so far from being an impediment to the proper increase of the Navy, the prosperity of the ocean steam packet service must operate in favor of an enlargement of the naval force, the necessity for which is increased in proportion to the extension of our commercial relations with foreign countries. The routes upon which lines of steam packets can be sustained and made profitable to the owners are comparatively few, when we take into view the infinitely diversified ramifications of trade. Great Britain, with her vast colonial and general commerce, had, in 1848, but fifteen lines in which national or contract vessels were employed, including the home stations, as they are called, or points of connection between the British islands. Nor has the ocean steam packet system hindered, in the slightest degree, her progress in the construction of steam or sailing vessels for the naval service. In speaking of steam vessels available for naval service, Captain W. H. Hall, of the British Navy, in the course of his examination before the special Committee of the House of Commons, hereinbefore referred to, says: 'I some time ago sent to the Admiralty a plan for making the whole of the merchant steamers available in case of need; and if there were an Act of Parliament that these ships should be strengthened forward and aft to carry guns, it might be then done with a very trifling expense; that would give this country more power than any other country in the world. We have nearly one thousand steam vessels, half of which, at least, might be made available in case Government required their services. Our mercantile steamers are some of the finest in the world, and five hundred of them might be turned to account. They should all be numbered and classed, so that Government would merely have to ask for the number of vessels they wanted, when they might go to Woolwich, or other places, and put the guns on board, and then they would be ready for service.'