PREFACE 



of expressing my thanks to Professor Hollaender for the 

 honour he has done to my book in rendering it into 

 German, and to Dr. Cruet for translating it into 

 French ; and at the same time I gratefully acknow- 

 ledge the kindness of many of my friends who have sent 

 me corrections which they have noted as heing required 

 in the text of the first edition. 



CHARLES S. TOMES. 



37, CAVENDISH SQUARE, 

 December, 1881. 



