5, 6, 7- On the decomposition of Water — Decomposition of 



Carbonic acid — On crystallizable Acetic acid, - 186 



8, 9. Asparagin — Decomposition of metallic salts, - - 187 



10. The Black Sea, 188 



11, 12. Charring of wood at low temperatures — Limits to va- 



porization, _.____. 189 



