11 
PAGE 
On the Temperature of certain Hot Springs in the Pyre- 
nees. By R. E. ScoRESBY- J ackson, M.D., F.R.C.P. 160 
On Human Crania allied in Anatomical Characters to the 
Engis and Neanderthal Skulls. By Wm. Turner, 
M.B., Senior Demonstrator of Anatomy in the Uni- 
versity, . . . . . . 161 
Notice of a Simple Method of Approximating to the Roots 
of any Algebraic Equation. By Edward Sang, Esq., 162 
Notice of the State of the Open-Air Vegetation in the 
Edinburgh Botanic Garden, during December 1863. 
By J. H. Balfour, A.M.,*M.D., F.R.S., F.L.S., . 166 
Donations to the Library, . . . .174 
Monday^ 15^^ February 1864. 
On the Influence of the Refracting Force of Calcareous 
Spar on the Polarization, the Intensity, and the Colour 
of the Light which it Reflects. By Sir David Brew- 
ster, K.H., F.R.S., . . . . 175 
On the Most Volatile Constituents of American Petro- 
leum. By Edmund Ronalds, Ph.D., . . 176 
On the Action of Terchloride of Phosphorus on Analine. 
By Magnus M. Tait, F.C.S., . . . 177 
On Thermat’s Theorem. By Professor Tait, . . 181 
Donations to the Library, . . . . 182 
Monday, '1th March 1864. 
On the Gods of the Rigveda. By John Muir, D.C.L., 
LL.D., . . . . . .183 
On the Diffraction Bands produced by Double Striated 
Surfaces. By Sir David Brewster, K.H., F.R.S., 184 
An Essay on the Theory of Commensurables. By Ed- 
ward Sang, Esq. . . . . .184 
On Superposition, No. II. By Professor Kelland, . 190 
On Centrobaric Bodies. By Professor W. Thomson, . 190 
Donations to the Library, . . . .191 
[For continuation of Contents, see pp, 3 and 4 of Cover. 
