C Hi ] 



CONTENTS. 



TRACTS on the Pqffibtiity of reaching the North Pole, 



page i — 124 



MISCELLANEOUS ESSAYS. 



Whether the Turkey was known before the Difcovery of America, 127 

 On the Rein-deer, 152 

 On the Bat, or Rere-moufe, 163 

 On the fudden Decay of feveral Trees in St. James's Park, 1 70 

 On the periodical appearing and Difafpearing of certain Birds at 

 different Times of the Tear, 174 

 On the Torpidity of the Swallow Tribe when they difappear, 225 

 On the prevailing Notions with regard to the Cuckow, 245 

 On the Linnaean Syjlem, 262 



OTHER ARTICLES OF CONTENTS, 



Particulars of an Agreement betiveen the King of Spain and the 

 Royal Society, for an Exchange of Natural Cun'ofties, 276 

 f Mozart, a very remarkable young Mufcian, 279 

 j Mr. Charles Wefley, 289 



Account of ^ Mafer Samuel Wefley, 291 

 I little Crotch, 3 1 1 



[ the Earl of Mornington, 317 



Of the Deluge in the Time of Noah, 326 



Hiftory of the Gwedir Family, 343 



a 2 Letter, 



