Yl 



CONTENTS. 



T. Biographical Account of Sir James Hunter Blair, Bart. Page 31. 



IT. Biographical Account of John Dryfdale, D. D. - 37. 



III. Biographical Account o/Adam Smith, LL. D. - 55. 



Donations prefented to the Society, continued from the 



fecond Volume, - jjg. 



Postscript £<? fhe History,— -Account of a Mineral from 



Strontian, by Dr Charles Thomas Hope, - 143. 



PART II. 

 PAPERS READ BEFORE THE SOCIETY. 



I. 



Papers of the Physical Class. 



I. Experiments and Ohfervations on the Unequal Refrangibility of 

 Light. By Dr Robert Blair, - Page 3. 



II. Ohfervations on Granite. By Dr Hutton, - 77. 



III. Of the Flexibility of the Brazilian Stone. By Dr Hutton, 86. 



IV. An Analyfis of the Waters of fome Hot Springs in Iceland. 



By Dr Black, - - • 95. 



V. An Account of the Hot Springs near Rykum in Iceland. By 



John Thomas Stanley, Efq; - - 127. 



VI. An Account of the Hot Springs near Haukadal in Iceland. 



By John Thomas Stanley, Efq; - - 138. 



VII. On the Origin and bivejligation of Porifms. By Mr Playfair, 154. 



VIII. An Account of the ^uaffia Polygama, and of the Cinchona 



Brachycarpa. By Mr John Lindfay, - 205. 



IX. Defcription of a Human Male Monjler, By Dr Alexander 



Monro, - - - - 215. 



X. Ex- 



