11 
Monday, 1 6th January 1854. 
PAGE 
What is Coal? By Dr Fleming, . . . 216 
Monday, 6 th February 1854. 
Observations on the Structure of the Torbanehill Mineral, as 
compared with various kinds of Coal. By Prof. Bennett, 217 
Monday, 20th February 1854. 
On certain Vegetable Organisms found in Coal from Fordel. 
By Professor Balfour, . . . .218 
Monday, 6th March 1854. 
On the Impregnation of the Ova of the Salmonidm. By John 
Davy, M.D., F.R.SS. Lond. & Edin , Inspector-General of 
Army Hospitals, . . . . .219 
Account of a remarkable Meteor seen on 30th September 1853. 
By William Swan, Esq., .... 220 
On the Mechanical Action of Heat. By W. J. Macquorn 
Rankine, C.E., F.R.SS. Lond. & Edin., &c. . , 223 
Donations to the Library, .... 224 
Monday, 20 th March 1854. 
On the Total Invisibility of Red to certain Colour-Blind Eyes. 
By Dr George Wilson, . «• . . . 226 
Donations to the Library, . . . .22 7 
Monday, 3 d April 1854. 
On a ]STew Hygrometer, or Dew-Point Instrument. By Pro- 
fessor Connell, ..... 228 
On the Stability of the Instruments of the Royal Observatory. 
By Professor Piazzi Smyth, .... 229 
On a General Method of effecting the substitution of Iodine for 
Hydrogen in Organic Compounds, and on the properties of 
Iodo-Pyromeconic Acid. By Mr James Brown, Assistant 
to Thomas Anderson, ...... 235 
Donations to the Library, . . . . . .236 
For continuation of Contents, see page 3 of Cover. 
