These Rules apply generally, and they are only to be departed from when the written instructions which accompany copy for a new book contain an express direction that they are not to be followed in certain specified cases.

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First Edition, April 1893. Reprinted, Dec. 1894.
Reprinted with alterations—
Jan. 1895; Feb. 1895; Jan. 1896; July 1897;
Sept. 1898; April 1899; Aug. 1899; Jan. 1901;
Feb. 1901; Jan. 1902; March 1902; May 1903.
Fifteenth Edition, revised and enlarged
the first for publication March 1904.
Sixteenth Edition, April 1904.
Seventeenth Edition, April 1904.
Eighteenth Edition, revised and enlarged July 1904.
Nineteenth Edition, July 1905.
Twentieth Edition, July 1907.
Twenty-first Edition, January 1909.
Twenty-second Edition, January 1912.