DESIDERATA, ETC. xix 
For the institution of a series of experiments on the great 
scale on the chemical and mechanical effects and changes pro- 
duced on Cast and Wrought Iron, by the continued action of 
Sea Water at various temperatures, and of foul River Water, 
whether fresh or salt, the sum of 20/. was placed at the disposal 
of Prof. Davy and Mr. R. Mallet. 
For the prosecution of experiments on the Action of Heat of 
212° on Organic and Inorganic Bodies the sum of 10/. was 
placed at the disposal of Mr. R. Mallet. 
Prof. Liebig was requested to prepare a Report on the pre- 
sent state of our knowledge in regard to Isomeric Bodies. He 
was also requested to prepare a Report on the state of Organic 
Chemistry and Organic Analysis. 
Prof. Johnston was requested to prepare a Report on the 
state of Inorganic Chemistry and Inorganic Analysis. 
GEOLOGY. 
For the purpose of carrying on the inquiry into the per- 
manence of the Relative Level of Land and Sea, the sum of 
2721., the remainder of the vote of last year (500), was placed 
at the disposal of a Committee, consisting of Rev. W. Whewell, 
Col. Colby, Mr. Greenough, and Mr. Griffith. 
- For the purpose of advancing our knowledge of Fossil Ich- 
thyology, by assisting the publication of M. Agassiz, the fur- 
ther sum of 1057. was placed at the disposal of a Committee, 
consisting of, Dr. Buckland, Prof. Sedgwick and Mr. Mur- 
chison. 
For the purpose of making excavations in the Peat Mosses 
of Ireland the grant of 50/., at the disposal of Col. Colby, was 
renewed. 
For the purpose of making experiments on the quantity of 
Mud in Rivers the grant of 20/7. was renewed, and placed at 
the disposal of a Committee, consisting of Mr. James Yates, 
Mr. De la Beche and Capt. Denham. 
It was stated to be desirable that a Report should be drawn 
up on the present state of our knowledge of the effects of Volta 
and Thermo-Electricity in the production of Crystals and the 
modification of Mineral Substances, and the Council of the As- 
sociation was requested to take steps for obtaining such a re- 
port. 
Prof. Owen was requested to draw up a Report on the pre- 
sent state of our knowledge of the Fossil Reptiles of Great 
Britain. 
b2 
