11 
PAGE 
Laboratory Notes. By Professor Tait. (1.) On the Stiff- 
ness of "Wires. (2.) Preliminary Sketch of the Thermo- 
Electric Diagram for Iron, Gtold, and Palladium, , 44 
On the Muscles which open and close the Mouth, with some 
Observations on the Active and Passive Condition of 
Muscles' generally. By Dr G-amgee, . . .47 
Observations and Experiments on the Cerebral Hemispheres 
and Corpora Striata of Birds By Dr M‘Kendrick. 
Communicated by Professor Turner, . * .47 
Monday , 2 Oth January 1873. 
Award of Makdougall Brisbane Prize to Professor Allman, 48 
Beport anent proposed alteration of Laws. . . .48 
On the Physical Constants of Hydrogenium. I. By Mr 
James Dewar, ...... 49 
On the supposed Upheaval of Scotland, in its Central Parts, 
since the time of the Boman Occupation. By D. Milne 
Home, LL.D , ...... 49 
Monday , 3d February 1873. 
On the Anatomy of a new Species of Polyodon, the Polyodon 
Gladius of Martens, taken from the river Yang-tsze- 
Kiang, 450 miles above Woosung. Part I., being its 
External Characters and Structure. By P. D. Handy- 
side, M.D., . . . . . .50 
Note on the Thermal Equivalents of the Oxide of Chlorine. 
By James Dewar, Esq. . . . .51 
On the Besemblances which Microscopic Objects in Diehroite 
and Amethyst have to some of the lower forms of 
Organic Life. By J. Scott, Tain. Communicated by 
Professor Kell and, . . . . .52 
Note on the Zodiacal Light. By George Forbes, Esq., . 55 
Monday , 17 th February 1873. 
Note on Angstrom’s Method for the Conductivity of Bars. 
By Professor Tait, . . . . .55 
On the Thermal Conductivity of Ice, and a new Method of 
Determining the Conductivity of Different Substances. 
By Professor G-eorge Forbes, . . . .62 
For continuation of Contents , see pp. 3 and 4 of Cover. 
