482 Scientific Intelligence. 
SCIENTIFIC INTELLIGENCE. 
I. CHEMISTRY AND PHYSICS. 
oxygen in the sample is easily calculated. By multiplying the 
number representing the oxygen in a gram of the dioxide by 
15287, the percentage of BaO, is obtained. For commercial 
Bull. Soc. Ch., 1, xxxiii, 148, Feb., 1880. G, F. Be 
2. On the action of Dry Sulphurous Oxide upon the Alkalt- 
earths.—The behavior of calcium oxide toward carbon dioxide 
at moderately high temperatures, has led BrrnpauM and Lat 
to study the action of sulphurous oxide upon all of the alkalt 
earths. The gas was evolved by gently heating a Robie 
aqueous solution, and was thoroughly dried by passing 1t eaten 
sulphuric acid and through tubes ‘filled with glass fragments 
