STUDY XI. 28l 



river, frilk around his Iheep, to protect them from 

 the gnats. 



The foundation of all this variety of pleafant 

 and ufeful knowledge is laid in the ftudy of plants. 

 Each of them is the focus of the life of animals, 

 the fpecies of which there colled in a point, as the 

 rays of a circle at their centre. 



As foon as the Sun, arrived in his annual pro* 

 greffion, at the fign of the Ram, has given the lig- 

 nai of Spring to our Hemifphere, the rainy and 

 warm wind of the South takes it's departure from 

 Africa, fwells the Seas, elevates the rivers above 

 their banks, fo that they inundate the adjacent 

 plains, and fatten them with their fertilizing llime ; 

 and levels, in the forefts, the aged trees, the de- 

 cayed trunks, and every thing that prefents an ob- 

 ftacle to future vegetation. It melts the fnows 

 which cover our fields, and forcing it's way to the 

 very Pole, it breaks to pieces, and diflblves the 

 enormous mafles of ice which Winter had there 

 accumulated. When this revolution, known all 

 over the Globe by the name of the equinoctial 

 gale, has taken place, in the month of March, the 

 Sun revolves night and day around our Pole, fo 

 that there is not a fingle point, in the whole nor- 

 thern Hemifphere, that can efcape his heat. 



Every 



