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DEDICATION. 



Tsra following work has with my aid been prepared by an esteemed and 

 highly competent friend, to whom I am also much indebted for valuable 

 assistance rendered in connection with the publication of the Chart which 

 it is adapted to elucidate. 



Prepared, as it has been, with the utmost care and exactness ; with mr 

 usual regard to order, and fullness of explanation as to the terms employed, 

 I am sanguine in the belief it will every where meet with a cordial welcome 

 as a suitable accompaniment of the Chart. Though both are capable of 

 being used separately, each will be found to shed light upon the other. 



To Teachers, to Parents and Heads of Families, to all who are lovers of 

 Natural History and desire its advancement, I humbly but respectfully ded- 

 icate this volume and the Chart it is intended to explain and illustrate. 



ANN M. KEDFIELD. 



Entered according to Act of Congress, in the year 1858, by 



E. B. <fc K. C. KELLOGG, 

 in the Clerk's Office of the District Court of Connecticut. 



