ERRATA. 



Page 100, Eighteenth hne from the bottom, read "proposed" for "pre- 

 pared." 



Page 167, twelfth line from the bottom, for "relations" read "dilata- 

 tions." 



Page 168, eighteenth line from bottom, omit "been." 



Page 168, seventh line from bottom, for "Esophus" read "Eusophus." 



Pagel71, fifteenth line from bottom, for "miles" read "miles distant." 



Page 188, line 15, omit "not." 



Page 188, line 17, for "though" read "and." 



