Copyright, 1891, by W. B. Saunders. Reputed October, 1892. Revised, reprinted, 

 and recopyrighted May, 1893. Reprinted June, 1894. Revised, reprinted, and re- 

 copyrighted November, 1896. Reprinted October, 1898. Revised, reprinted, 

 and recopyrighted March, 1900. Reprinted May, 1903. Revised, reprinted, 

 and recopyrighted August, 1904. Reprinted October, 1905, and 

 August, rgoc. - Revised, entirely reset, reprinted, nd recppyrighted 

 September, ^19081 Rprinte,d Anju%t, 1910^ Jke^iseo, entirely 

 reset, rv.'prttttecl , add-iecopy-ighttd De-'em&e'-, 1913. 

 . Reprinted January, 1914 



Copyright, i9i3,"by W. Ef. Saunders Company. 

 Reprinted July, 1916 



Reprinted May, 1918 



PRINTED IN AMERICA 



PRESS OF 



W. B. SAUNDER6 COMPANY 

 PHILADELPHIA 



