Chemistry and Physics. 145 
Occurrence of Globulin in Potatoes.—Z6i.LER has 
called attention to the existence in potatoes of one of the albu- 
minoid substances called globulins by Hoppe Seyler. The finel 
dly w 
* .- 
drops of a one per cent solution of Na,CO, 
hung, and the globulin separates in white flocks. It contains 
14-2 per cent of nitrogen and its properties prove it to be quite 
similar to one of the myosins of muscular tissue.—Ber, Berl. 
Chem. Ges., xiii, 1064, June, 1880. G. F. B. 
7. On the behavior of Carbonic Acid in relation to Pressure, 
Volume and Temperature.—Professor R. Cuausius discusses the 
In a perfect gaseous state the molecules rush together and 
separate completely after the collision. When the gas is con- 
ment in common. On the above assumption the mean strength 
the mutual attraction of the molecules would be increased since 
bodies the above ideas and finds a satisfactory agreement between 
the values calculated from the formula and those obtained by ex- 
riment. At the close of his paper Clausius discusses the pres- 
on for the te 
June, 1880. et 
8. Kerr’s iments on the relation between Light and Elec- 
tricity.—_H. W. C. RénreEn repeats the experiments of Dr. Kerr 
Am. Jour. ee Vox, XX, No, 116.—Ave., 1880, 
