ADVERTISEMENT, vii 



on the diflferent subjects treated of, many points have been re- 

 investigated and new matter has been introduced from original 

 observation. 



A considerable number of new figures have been introduced into 

 the present Edition, some having been substituted for former ones 

 now withdrawn, others added as new illustrations. They are partly 

 from original drawings, and partly electrotype copies of figures in 

 other published works, for their courtesy in allowing copies of which 

 the Editors have to thank the respective Authors and Publishers. 



In the seventh Edition a large number of new figures were intro- 

 duced, of which the originals were drawn by Dr. Allen Thomson, 

 and by Mr. K. Tennant under his superintendence, and the engrav- 

 ing was executed by Mr. Stephen Miller of Glasgow. To these 

 only a few have been added in the first volume of the present Edi- 

 tion. But in the General Anatomy and other parts of the Second 

 Volume of the present Edition a considerable number of new figures 

 have been added, the original drawings for which have been executed 

 chiefly by Mr. Sehafer and Mr. Wesley, and the engravings by 

 Mr. Pearson. 



The Table of Contents and the Index, with the accompanying 

 explanation of the derivation of terms, have been compiled by 

 Dr. Mexander Henry. 



October, 1875. 



