PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
SESSION 1908-9. 
Part VIII ] YOL. XXIX. [Pp. 721-799. 
CONTENTS. 
NO. PAGE 
XLII. The Atomic Weight of Platinum. By E. H. Archibald. 
( Communicated by Professor J. G. MacGregor), . .721 
{Issued separately December 2, 1909.) 
XLIII. On the Development of Mixed Cultures of Bacteria and 
Lower Fungi in Liquid and Solid Media. By Emil 
Westergaard, Lecturer on Technical Mycology, Heriot- 
Watt College, Edinburgh. ( Preliminary Notice), . 748 
{Issued separately December 2, 1909.) 
Obituary Notice, . . . . . . .749 
Appendix — 
Proceedings of the Statutory Meeting, 1908, . . .753 
Proceedings of the Ordinary Meetings, Session 1908-1909, . 754 
Laws of the Society, . . . . . .759 
The Keith, Makdougall -Brisbane, Neill, and Gunning Victoria 
Jubilee Prizes, . . . . . .764 
[ Continued on page iv. of Cover. 
EDINBURGH : 
Published by ROBERT GRANT & SON, 107 Princes Street, and 
WILLIAMS & NORGATE, 14 Henrietta Street, Covent Garden, London, 
MDCCCCIX. 
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