114 EVAPORATION, &C. [Lesson XIX. 



heat slow and gradual. Jn autumn, the sun's in- 

 fluence fails apace, but ihe condensation of vapour 

 contributes to keep up the temperature and pre- 

 vent too rapid a transition to winter. 



Thus have you another page of the volume of 

 nature opened to your view ; and though de- 

 scanted upon in a concise manner, I have no 

 doubt but that it will be an additional incentive 

 for you to increase in gratitude, reverence, and 

 love for the adorable AUTHOU of ail good. 



LESSON 



