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ROBERT MANN, E S Q.^ 



MEiMBKR OK THE BOYAL COLLEGE OP SURGEONS, 



THE FOLLOWING WORK IS INSCRIBED, 



AS A MARK OF ESTEEM FOR HIS PROFESSIONAL SKILL, 



AND UNWEARIED ZEAL IN THE PROMOTION OF NATURAL HISTORY, 



AND IN TESTIMONY OF REGARD FOR AN UNINTERRUPTED 



FRIENDSHIP OF MANY YEARS 



AUTHOR. 



Museum, Manchester, 

 February, 1845. 



