CONTENTS. vii 



PART III. 



HIS TORT of the SQCH^Z^ 



Of the Diurnal Variations of the Barometer. By. Mr Play- 

 fair, _ - _ ;^- ,. Page 3 



Aurora Borealis obferwd in Day-light. By the Reverend Dr 

 Patrick Graham, -_«j V.c/.t ."'i^ x - _ ^ 



phenomenon of two Rain-bows interfeBing one another. By Mi- 

 Playfair, - - - - 8 



On the Combujlion of the Diamond. By Sir George Mackenzie, 

 Baronet, : - \ .\-^? ya ^'l'^-''^::T - ii 



Remarks on the Bcifaltes of the Coajl of Antrim, By the Re- 

 verend Y)r ^ic'haxdfoTi, . /;;: V- . j^ 



Rule for reducing a Square Root to a continued FraBion. By 

 James Ivory, Efq; - - - 20 



Singular Variety of Hernia. Sc Mr Ruffel, - 23 



Concerning the Chartreufe of Perth. By the Abbe Mann, 25 



Explanation of the old zvord Skull or Skoll. By the Reverend 

 Dr Jamiefon, - - - 29 



Biographical Account of the late Dr James Hutton. By Mr 

 Playfair, - - _ _ ^9 



Minutes of the Life and CbaraBer of Dr Jofeph Black. By Dr 

 Fergufon, - - - - loi 



Appendix. 

 Lijl of Members eleEledfince the public tion of the lajl Volume, 119 

 Lijl of Donations ^ - - ■ - 122 



TRANS- 



