The annual saving for each ship will be $15,420, giving as the aggregate saved upon the tonnage which would pass the Isthmus the sum of $47,709,480, and the saving of one year at the end of a decade as $95,418,960, a sum sufficiently near the first to establish its correctness. The following tables were compiled by Mr. F. W. Kelley, of New York, and were intended to exhibit the effect upon the trade of the world by the completion of the canal through the Isthmus: _Table showing the trade of the U. S. that would pass through the Isthmus Canal, if now finished. Taken from the official returns for 1857._ ════════════════════════════════════════╤═════════════╤════════════ │ EXPORTS AND │ COUNTRIES TRADED WITH. │ IMPORTS. │ TONNAGE. ────────────────────────────────────────┼─────────────┼──────────── Russian North American Possessions │ $ 126,537 │ $ 5,735 Dutch East Indies │ 904,550 │ 16,589 British Australia and New Zealand │ 4,728,083 │ 52,105 British East Indies │ 11,744,151 │ 177,121 French East Indies │ 98,432 │ 3,665 Half of Mexico │ 9,601,063 │ 34,673 Half of New Granada │ 5,375,354 │ 131,708 Central America │ 425,081 │ 36,599 Chile │ 6,645,634 │ 63,749 Peru │ 716,679 │ 193,131 Ecuador │ 48,979 │ 1,979 Sandwich Islands │ 1,151,849 │ 33,876 China │ 12,752,062 │ 123,578 Other ports in Asia and Pacific │ 80,143 │ 4,549 Whale Fisheries │ 10,796,090 │ 116,730 California to East United States │ 35,000,000 │ 861,698 ├─────────────┼──────────── Value of cargoes │$100,294,687 │ $ 1,857,485 Value of ships, at $50 per ton │ 92,874,250 │ ├─────────────┼──────────── Total value of ships and cargoes │$193,168,937 │ $92,874,250 ────────────────────────────────────────┴─────────────┴──────────── “Whale ships and coasting vessels have been estimated generally throughout this appendix at forty dollars ($40) per ton. The United States and European commerce around the Capes is conducted in first-class ships, which often cost eighty dollars ($80) per ton. Fifty dollars ($50) have therefore been taken as the fair average value in the construction of this table, which does not include coasting trade.”