Ill 
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On the Spermogones and Pycnides of Lichens. By W. 
Lauder Lindsay, M.D., F.L.S. Communicated by 
Professor J. H. Balfour, . . . .174 
Donations to the Library, . . . .182 
Monday , 21st March 1859. 
On some First Principles of a Mental Science, deduced from 
Correlations of the Primary Laws of Matter and Mind. 
By Dr Laycock, . . . . .183 
Verbal Notice respecting the remains of a Seal found at 
Portobello. By Dr Allman, . . .190 
On the Composition of Old Scotch Glass. By Mr Thomas 
Bloxam, Assistant Chemist to the Industrial Museum. 
Communicated, with a Preliminary Note, by Professor 
George Wilson, . . . . .191 
Donations to the Library, . . . .197 
Monday , 4th April 1859. 
On the Gradual production of Luminous Impressions on the 
Eye. Part II. By Professor Swan, . . 198 
On the Destructive Effects of the Waves of the Sea on the 
North-East Shores of Shetland. By Thomas Steven- 
son, C.E., F.B.S.E., .... 200 
Notice of an Unusual Fall of Bain in the Lake District, in 
January 1859. By John Davy, M.D. F.B.SS. Lond. 
and Edin., ..... 201 
Donations to the Library, .... 202 
Monday , 18tfA April 1859, 
Besearches on Badiant Heat. Part II. By Balfour 
Stewart, Esq. Communicated by the Secretary, 203 
Some Observations on the Coagulation of the Blood. By 
John Davy, M.D., F.B.S. Lond. and Edin., . 205 
On the Becent Vindication of the Priority of Cavendish as 
the Discoverer of the Composition of Water. By Pro- 
fessor George Wilson, .... 206 
On the Preservation of Foot-prints on the Sea Shore. By 
Alexander Bryson, Esq., .... 208 
Donations to the Library, . . . .209 
