Copyright, 1891, 

 BY MACMILLAN ANF> Co. 



First Edition, 1876. Second Edition, 1877. 

 Third Edition, 1879. Fourth Edition, 1883. 

 Eeprinted 1884, 1886. Fifth Edition, 1891. 

 Edition, revised and enlarged, 1891. 



Hnitocrsttg 

 JOHN WILSON AND Sox, CAMBRIDGE, U.S.A. 



