DECEMBER. 309 



that arise from agreeable sights. While the exercise 

 thus partaken in the open air strengthens the body and 

 improves the health, the objects presented for our con- 

 templation are tonic and exhilarant in their action on 

 the mind. Whatever may be the season of the year, to 

 the student of science as well as to the lover of beauty, 

 something is always presented to fix his attention or 

 awaken his admiration, and he seldom returns from a 

 woodland ramble without increased cheerfulness and a 

 prospect of new sources of rational happiness. 



