1 



NOTE TO THE SECOND EDITION. 



IN revising the following pages no alterations have 

 been made, other than those which experience in their 

 use has suggested. It has been the Author's endeavor 

 to make the descriptions as clear and concise as possi- 

 ble, rather than to add to their details ; and to render 

 the volume, in all respects, more deserving of the favor 

 it has received. 



The few pages on Anatomical Landmarks were sug- 

 gested by, and to a small extent taken from, an article 

 by Mr. Luther Holden, contained in the second volume 

 of the " Eeports of St. Bartholomew's Hospital." 







BOSTON, February, 1867. 



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