iv CONTENTS. 
PAGE 
MINERALOGY. 
10. Discovery of Niobium, a new Metal. 11. Dau- 
brée on the Occurrence of Axinite in a fossiliferous 
Rock in the Vosges, 4 5 5 181 
CHEMISTRY. 
12. Experiments of Brown and Knox. 13. On the 
Occurrence of Xanthic Oxidein Guano. 14. Heat 
from Solid Carbonic Acid, : : 182 
ZOOLOGY. 
15. Professor E. Forbes’s Bathymetrical Researches. 
16. Guyon on the Cagots of the Pyrenees. 17. 
Coral Fishery. 18. Goadby’s Method of Prepar- 
ing Animal Substances, i : ; 184 
XXI. New Publications, F : , 186 
XXII. List of Patents for Inventions granted for Scot- 
land from 24th September to 20th December 
1844, inclusive, : : : : 188 
