Printed in Great Britain by R. & R. CI.ARK, LIMITED, Edinburgh. 



\st Edition, 1896. 



2nd Edition, 1903. 



yd Edition, 1906. 



4 th Edition, 1907. 



~,th Edition, 1912. 



6//z Edition, 1914. 

 Edition, ind Impression, 1917. 

 Edition, yd Impression, 1918. 



7^/i Edition, 1920. 

 Edition, znd Impression, 1921. 



rights reserved* 



