ADDITIONS AND CORRECTIONS 



TO THE SIXTH EDITION 



Numerous small corrections have been made in the 

 last and present editions on various subjects, according 

 as the evidence has become somewhat stronger or weaker. 

 The more important corrections and some additions in 

 the present volume are tabulated on the following pages, 

 for the convenience of those interested in the subject, 

 and who possess the fifth edition. The second edition 

 was little more than a reprint of the first. The third 

 edition was largely corrected and added to, and the 

 fourth and fifth still more largely. As copies of the 

 present work will be sent abroad, it may be of use if 

 I specify the state of the foreign editions. The third 

 French and second Grerman editions were from the third 

 English, with some few of the additions given in the 

 fourth edition. A new fourth French edition has been 

 ■translated by Colonel Moulinie; of which the first half 

 is from the fifth English, and the latter half from the 

 present edition. A third German edition, under the super- 

 intendence of Professor Victor Carus, was from the fourth 

 English edition; a fifth is now preparing by the same 

 author from the present volume. The second American 

 edition was from the English second, with a few of the 



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