542 
Journal of Agricultural Research 
Vol. V, No. la 
(7) Dixon, H. H., and Atkins, W. R. G. 
1913. Osmotic pressures in plants. II.—Cryoscopic and conductivity measure¬ 
ments on some vegetable saps. In Sci. Proc. Roy. Dublin Soc., n. s. 
v. 13, no. 29, p. 434-440. Bibliography, p. 440. 
(8) Harris, J. A., and Gortner, R. A. 
1914. Researches on the physico-chemical properties of vegetable saps. 2. Note 
on a comparison of the physico-chemical constants of the juice of apples 
and pears of varying size and fertility. In Biochem. Bui., v. 3, no. 10, 
p. 196-201, pi. 2. 
(9) Shedd, O. M., and Kastle, J. H. 
1912. On the composition of the ash of the sap, leaves and young stems of the 
wild grape vine (Vitis cordifolia). In Jour. Amer. Chem. Soc., v. 34, 
no. 10, p. 1415-1424. 
