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It is indeed my opinion, that all thofe birds, 

 which are feen with us only fome part of the 

 year, pafs into other countries when they are out 

 of our fight. We are certain fome of them 

 muft, becaufe they do not breed while they 

 continue with us -, theie are the Wood- cock. 

 Snipes, Field-fare, Redwing, and fome others. 

 Thefe, I believe, go into northern countries to 

 breed. The fummer birds of pafTage alfo come 

 from more fouthern countries northward to us, 

 and breed here. Seeing then birds retire from 

 more northern parts to winter with us, why 

 Ihould not tender birds who vifit us in fummer, 

 and breed here, retire and flielter themfelves in 

 fouthern countries, where they are fecure from 

 cold, which they cannot bear, and find fuch 

 food as is natural to them. But many would 

 make fleepers of them, and fay they retire to 

 holes under ground, and in hollow trees, &c. 

 and that they are fo fat that they cannot fly far 

 at the times they difappear, ; which fatnefs I 

 take rather for a providential provifion to enable 

 them to take a flight of many days without be- 

 ing quite exhaufted and fpent. A farther reafon 



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