by no means peculiar to them, I cannot pass over in 

 silence ; and that is, that instinct by which in sum- 



h' 



Wobner pond. 



mer all the kine, whether oxen, cows, calves, or 

 heifers, retire constantly to the water during the 

 hotter hours ; where, being more exempt from flies, 

 and inhaling the coolness of that element, some belly 

 deep, and some only to mid-leg, they ruminate and 

 solace themselves from about ten in the morning till 

 four in the afternoon, and then return to their feed- 

 ing. During this great proportion of the day they 

 drop much dung, in which insects nestle ; and so 

 supply food for the fish, which would be poorly sub- 

 sisted but from this contingency. Thus nature, who 

 is a great economist, converts the recreation of one 



27 



