Bu.t and Con.umtitIon. fron Tubular 1iafety 'Boat. We !;lVe thi. week an engraving of a new description 9f Life Boat, the invention of a Mr. Taylor, of England, and which is taken 'fiomthe" London Expositor." It is called a tubular safety boat, al,ld consists of a number of iron tubes placed in regular order, as shown in the engraving. Mr. Taylor says that he is more an imitator of nature than an inven tor, and t\lat his idea regarding tubular power was borrowed trom the strength of a quill,

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... strongest combination of matter for its weight in nature. Another idea connected with his invention was copied from the con struction of the N autilu., which virtually uses tubes to rise or sink in the water, as may be desired. The inventor does nQt,ho�ver, Ii. mitlts employment to the above purpose, but appl'lis the'lJrinciple to the constr�ction of large vessels, by which the cost of loading and unloading ballast would be obviated. He re commends , vessels to take id water for ballast, which can be done at any port, by the use of the pumps for a short time, and it can be dis charged entirely or in part by merely opening