62 Clinton's introductory discourse. 



of the state which do not grow in this. There seem to be two races of 

 squirrels : in the west they are black, in the east they are gray ; and 

 while many wild animals have left us, the great hare of the north is 

 extending his excursions in a southern direction.* 



On the approach of cold weather the birds, as if actuated by an 

 intelligent principle, prepare for their departure. Some of them retire 

 in the night, or ascend so high that their flight is not observed; while 

 others appear in full view, and attract not only the notice of the natu- 

 ralist, but become the subject of poetical description. 



Milton thus speaks of the migration of cranes : 



" Part loosely wing the region, part more wise 

 In common, rang'd in figure wedge their way, 

 Intelligent of seasons, and set forth 



Their airy caravan, high over seas 

 Flying and over lands, with mutual wing 

 Easing their flight : so steers the prudent crane 

 Her annual voyage, borne on winds ; the air 

 Floats as they pass, fann'd with unnumber'd plumes." 



Paradise Lost. 



And Tasso, in like manner, says, 



" With such a sound the cranes embodied fly 

 From Thracian shores to seek a warmer sky, 

 With noise they cut the clouds, and leave behind 

 The wintry tempest and the freezing wind." 



Tasso, v. 2. b. 20.+ 



* See Note IT. ) See Note V. 



