Copyright, 1891, by W. B. Saunders. Reprinted 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, 1907. Revised, entirely reset, reprinted, and recopyrighted 

 September, 1908. Reprinted August, 1910. Revised, entirely 

 reset, reprinted, and recopyrighted December, 1913. 



Copyright, 1913, by W. B Saunders Company. 



PRINTED IN AMERICA 



PRESS OF 



B. SAUNDERS COMPANY 

 PHILADELPHIA 



