HISTORY OF THE SOCIETY. 649 



then read a Mineralodcal Account of the Rocks ^virFie- 



mmg s de- 

 Rear Dundee, communicated by Mr Fleming, scnptionof 



1 / yr the Rocks 



which is published in 2d vol. of Mem. p. 138, — of Dundee. 

 144. 



The Secretary read an Essay on British Sponges, ^H^- 



by Colonel Montagu, which is inserted in 2d vol, Coi. Mon- 

 tagu on 



Mem. p. 67.— 122. ; and Dr Yule read Observa- Sponges, 



tions on the Natural Method in Botany. Profes- mtm-aime- 



sor Jameson exhibited specimens of Native Copper ^^tTveCop- 



and of Red Copper-ore from Unst in Shetland. p^^* 



The Secretary presented a Journal by Mr John 

 AiTKEN, surgeon, containing a Thermometrical 

 Register and Meteorological Journal from New- 

 castle to Davis Straits, and back again, communi- 

 cated by Dr Barclay. Professor Jameson gave 

 an account of a Floetz Serpentine which occurs in 

 Fifeshire ; also of the occurrence of Basalt and 

 Quartz rock in the coal formation of that country ; 

 and of Fibrous Gypsum in Berwickshire, illustrat- 

 ing his remarks by specimens. Dr Leach read a 

 description of the Pig of Orkney and Shetland, 

 which he considered as a distinct species, and 

 named Sus borealis. 



1812. 



March 28. 

 Mr Aitken's 

 Meteorolo- 

 gical Ob- 

 servations. 



Professor 

 Jameson's 

 Mineralogi- 

 cal Obser- 

 vations. 



Dr Leach's 

 description 

 of the Ork- 

 ney Pig, 



Dr Macknight read a Mineralogical Descrip- 



1812. 

 April 11. 



tion of Tinto Hill in Lanarkshire, illustrating his D/ Mack- 

 account by specimens and sketches : this paper scriptlon 



T t 3 



