* * * * * FOOTNOTES [1] _The American Neptune_ (1946), vol. 6, pp. 253-274. [2] _The American Neptune_ (1944), vol. 4, pp. 327-329. [3] New York, 1853, pp. 13-17. [4] Pittsburgh, 1896, pp. 8-16. [5] See pages 172 through 176 for this report, which is reproduced from CHARLES B. STUART, _Naval and Mail Steamers of the United States_ (New York, 1853), app., pp. 155-159. [6] National Archives, Navy Records Plans, 80-7-14; and HOWARD I. CHAPELLE, _History of the American Sailing Navy_ (New York: W. W. Norton & Co., 1949), pp. 293-295. [7] National Archives, Navy Records Plans, 80-7-9; and CHAPELLE, _History of the American Sailing Navy_, pp. 226, 228. [8] National Archives, Navy Records Plans, 80-7-15. [9] National Archives, Naval Records Collection, Miscellaneous Letters, 1819, II. [10] See p. 169, reproduced from CHARLES B. STUART, _Naval and Mail Steamers of the United States_ (New York, 1853), p. 15. [11] JEAN BAPTISTE MARESTIER, _Mémoire sur les bateaux à vapeur des États-Unis d'Amérique, avec un appendice sur diverses machines relatives à la Marine_ (Paris: L'imprimerie Royal, 1824). [12] 1820-1823, vol. 7, p. 437. [13] _Annales de l'industrie nationale et étrangère, ou Mercure Technologique_ (Paris, 1822), pp. 760-762. [14] January 27, 1823, vol. 7, pp. 436-438. [15] January-March 1935, vol. 61, pp. 322-328. [16] HOWARD I. CHAPELLE, _American Small Sailing Craft_ (New York: W. W. Norton & Co., Inc., 1951), pp. 29, 31. [17] Newport News, Va.: The Mariners' Museum, 1937, p. 23. [18] Indianapolis, Ind.: Bobbs Merrill, 1932, p. 291. [19] HENRY WILLIAM EDWARD, _The Double Bottom or Twin Hulled Ship of Sir William Petty_ (Oxford: The Roxburghe Club, 1931). [20] Publication No. 5 (Newport News: The Mariners' Museum, 1939), p. 22. * * * * * Typographical Corrections Pg. 152: "the _Simon & Jude_, later called _Invention I_" (was "latter"). * * * * * CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY: PAPER 40 HISTORY OF PHOSPHORUS _Eduard Farber_ THE ELEMENT FROM ANIMALS AND PLANTS 178 EARLY USES 181 CHEMICAL CONSTITUTION OF PHOSPHORIC ACIDS 182 PHOSPHATES AS PLANT NUTRIENTS 185 FROM INORGANIC TO ORGANIC PHOSPHATES 187 PHOSPHATIDES AND PHOSPHAGENS 189 NUCLEIN AND NUCLEIC ACIDS 192 PHOSPHATES IN BIOLOGICAL PROCESSES 197 MEDICINES AND POISONS 198 _Eduard Farber_ HISTORY OF PHOSPHORUS