TO 



TEACHERS OF YOUTH 



IN 



THE UNITED STATES OF AMERICA, 



FOR THE USE OF THEIR PUPILS, 



IS MOST RESPECTFULLY INSCRIBED, 



IN THE FIRM BELIEF 



THAT WHILE IT WILL BE FOUND TO AMUSE, AS WELL AS INSTRUCT, 



TO INVIGORATE THE MEMORY, EXERCISE THE JUDGMENT, AND 



BRING ALL THE INTELLECTUAL FACULTIES INTO A STATE 



OF THE GREATEST ACTIVITY, IT WILL ALSO TEND TO 



PRODUCE THAT ELEVATION OF CHARACTER 



WHICH INEVITABLY RESULTS 



THE STUDY OF NATURE, 



