Copyright, 1896. by W. B. Saunders. Reprinted September, 1896. Re- 

 vised, reprinted, and recopyrighted August, 1898. Reprinted November, 

 1898. Revised, reprinted, and recopyrighted August, 1900. Reprinted 

 June, 1901. Revised, entirely reset, reprinted, and recopyrighted May, 

 1903. Reprinted August, 1904. Revised, reprinted, and recopyrighted 

 May, 1906. Reprinted August, 1907. and May, 1908. Revised, reprinted, 

 and recopyrighted August, 1909. Revised, reprinted, and recopyrighted 

 September, 1912. 



Copyright, 1912, by W. B. SAUNDERS COMPANY. 



PRINTED IN AMERICA 



PRESS OF 



W. B. SAUNDERS COMPANY 

 PHILADELPHIA 



