BIBLIOGRAPHICAL NOTE. 



First Edition, September 1885 ; Reprinted 

 December 1S85, November 1886, December 1887, 

 August \'6'6(), Marcli 1891. Revised, -with additional 

 matter and additional Illustrations, March 1894. 



Cheaper Reissue, July 1 90 1 . Reprinted September 

 1 90 1. New Edition, July igo6. 



