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of this world, and that it only pafies from onë 

 part of its fuperficies to another at certain fea- 

 fons, the better to accommodate itfelf with a 

 temperate climate, and proper food. Thofe 

 that leave Egypt in April, and dired their courfe 

 north- eaft, are, I fuppofe, what appear in Ger- 

 many, and the Low Countries, all the fummen 

 A north-eaft dire6lion from Egypt carries them 

 along the coafl of Judea, for its whole length 5 

 from v/hence it is likely they go diredly norths 

 acrofs Natolia, and pafs by the eaft end of the 

 Black Sea, by which means they have land in 

 view through the courfç of their whole journey j 

 when they have paffed by the Black Sea, the firm 

 lands of Europe and Afia to the north are open 

 before them, fo that they may take their courfe 

 to the places of their deftined habitations. I 

 fuppofe they do not breed in Egypt, fmce Dr. 

 Shaw hath not mentioned it -, but I imagine that 

 all birds of paffage go northward to breed, and 

 retire fouthward toward winter, that is, of fuch 

 birds as inhabit on this fide the Equino6lialLine; 

 for, I fuppofe, that what birds of palTage there 

 are, that continue always to the fouth of the 

 Equinoftial, go toward ths fouthern Pole in the 



f-immer 



