PROCEEDINGS 
OF THE 
ROYAL SOCIETY OE EDINBURGH. 
SESSION 1907-8. 
Part VI.] VOL. XXVIII. [Pp- 433-512. 
CONTENTS. 
NO. PAGE 
XXIX. On the Origin of the adaxially-curved Leaf-trace in the 
Filicales. By D. T. G wynne - Vaughan, M.A., and 
R. Kidston, LL.D., F.R.S.L. & E., . . . 433 
{Issued separately August 12, 1908.) 
XXX. On the Theory of the Leaking Microbarograph ; and on 
some Observations made with a Triad of Dines-Shaw 
Instruments. By Professor Chrystal, . . . 437 
{Issued separately August 13, 1908.) 
XXXI. On the “ Negative ” Viscosity of Aqueous Solutions. By 
Dr W. W. Taylor and T. W. Moore, M.A., B.Sc., 
Carnegie Research Scholar. {Communicated by 
Professor Crum Brown), . . . .461 
{Issued separately August 13, 1908.) 
XXXII. On the Effects on the Metabolism of Chloroform admin- 
istered by Different Channels. By D. Noel Paton, 
M.D. {From the Physiological Laboratory of the 
University of Glasgow, and the Laboratory of the 
Royal College of Physicians, Edinburgh), . .472 
{Issued separately August 15, 1908.) 
[ Continued on page i v of Cover. 
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