Chemistry and Physics. 297 
true meaning and value of the theory of atomicity may t en be 
introduced, the student being taught to recognize the dynamic as 
well as the ponderable phenomena of chemical change.—J. Chem. 
-y I, x, 941, Nov., 1872. agai 
2. On the Relation between Vibration and Detonation.—Cuam- 
.  & 
Sensitive flames, arranged according to the complete scale of g 
major, and before which at five meters distance,0°03 grm. nitro 
C. B., xxv, 110 and 712, 1872. _— 
