First published February 1890. 
Reprinted June 1890, May 1893. 
New and Enlarged Edition, January 1896. 
Reprinted Jume 1896, November 1898, July 1900, March 1902, 
September 1908, July 1905, December 1907, January 1918, 
1916, January and November 1919, Jwne 1921, 
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ALL RIGHTS RESERVED 
