TO 



THOMAS NUTTALL, ESQ; 



Fellow op the LmNiEAN Society op London, 

 Member op the American Philosophical Society, &c. &c. 



THIS WORK 



IS RESPECTFULLY INSCRfBED, 



AS A TRIBUTE OF RESPECT FOR HIS SCIENTIFIC ATTAINMENTS, 



AND 



AS A TOKEN OF ESTEEM FOR HIS PERSONAL CHARACTER, 



BY HIS FRIEND, 



THt: AUTHOR. 



