vi -CONTENTS. 



III. Biographical Account of Mr William Hamilton, late 



ProfeJJor of Anatomy and Botany in the Univerfity of 

 Glafgow, -, - - Page (35). 



IV. Biographical Account o/John Roebuck, M. D. - (65). 



P A R T II. 



PAPERS READ BEFORE THE SOCIETY. 



I. 



Papers of the Physical Class. 



I. Account of a Mineral from Strontian, and of a peculiar 

 Species of Earth which it contains. By Thomas 

 Charles Hope, Profeffor* of Medicine in the Uni- 

 verfity of Glafgow, - - Page 3. 



II. Obfervations on the Natural Hijlory of Guiana. By 



William Lochead, Efq; - - 41. 



III. On the Principles of the Antecedental Calculus. By 



James Glenie, Efq; - - 6$. 



IV. Obfervations on the Trigonometrical Tables of the Brah- 



mins. By John Playfair, Profeffor of Mathematics 



in the Univerfity of Edinburgh, - - 83. 



V. Some Geometrical Porifms, with Examples of their Ap- 



plication to the Solution of Problems. By Mr Wil- 

 liam Wallace, Affiftant-Teacher of the Mathematics 

 in the Academy of Perth, - - 107. 



Vf. On the Latitude and Longitude of Aberdeen. By An- 

 drew Mackay, LL. D. & F. R. S. Edin. - 13S' 



VI. 



* Now Joint Profeffor of Chemiftry in the Univerfity of Edinburgh, 

 t By miilake No. V. is repeated. 



