152 Dr. Cuibush on the Formation of 
acid is distructive to animal life, and a most virulent poi- 
2 Cyanogene, and its compounds, may be generated in 
particular places, and, in fact, in the holds of ships. 
It is admitted, I believe very generally, that hydrogen 
enters into the composition of gazeous effluvia, but wi 
what substances, or in what state of combination is not 
known ; I mean those effluvia, or miasmata, which produce 
disease. Hydrogen combines with sulphur, phosphorus, 
carbon, &c. but its combination with carburet of azote ap- 
to ih Aaa a and impartial mind. The facts deduced 
by the 
We stated that when animal substances were calcined wit 
potash, a cyanide of the alcali was produced. When this 
