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point out fuch authors as have faid any thing on 

 that fubjed, and join to them fuch little obferva- 

 tions as I have made. There was publifhed 

 fome years ago, by Mr. Charles Morton, with- 

 out date, and fince republiflied in the Har- 

 leian Mifcellany, Vol. IL pag. 558. an ingenious, 

 though I think chimerical, account of the Paf- 

 fage of Birds, which fuppofes them to go to the 

 moon, or fome invifible aerial ifland fixed above 

 our atmofphere, with fome other fuch like con- 

 je6lures. Dr. Shaw in his Travels, or Obfer- 

 vations on Barbary, &c. has given us fome light 

 as to the paffage of the Stork, which I iliall here 

 borrow from him, pag, 428. The Ibis, that 

 was once known to every family [in Egypt] is 

 now become exceeding rare, though the want 

 "of it is fufficiently fupplied by the Stork ; 

 " for, befides a great number of thefe birds, that 

 " might undoubtedly efcape my notice, I faw in 

 " the middle of April [1722] our fhip lying 

 " then at anchor under Mount Carmel, three 

 " flights of them, each of which took up more 

 " than three hours in paffing by us, extending 

 " themfelves at the fame time more than half a 

 mile in breadth s they were then leaving Egypt 



" (where 



