Dec. i, 1920 Some Changes in Florida Grapefruit in Storage 373 



(5) COLLISON, S. E. 



1913. SUGAR AND ACID IN ORANGES AND GRAPEFRUIT. Fla. Agr. Exp. Sta. 



Bul. 115, p. 1-23. 



(6) Magness, J. R. 



1920. investigations in the ripening and storage of pears. In Jour. 

 Agr. Research, v. 19, no. 10, p. 473-500, 8 fig. Literature cited, p. 

 499-500. 



(7) Mathews, Albert P. 



1916. physiological chemistry . . . ed. 2, 1040 p. New York. 



(8) Rose, R. E. 



1914. report of THE chemical division [1913]. In Fla. Quart. Bul. Dept. 



Agr., v. 24, no. 1, p. 1-218. 



(9) Shamel, A. D. 



1916. California grapefruit. In Mo. Bul. State Com. Hort. [Calif.], v. 5, 

 no. 7, p. 239-249, fig. 77-79. 



(10) Wiley, H. W., ed. 



1912. OFFICIAL AND PROVISIONAL METHODS OF ANALYSIS, ASSOCIATION OF OFFI- 

 CIAL agricultural chemists. As compiled by the committee on 

 revision of methods. U. S. Dept. Agr. Bur. Chem. Bul. 107 (rev.), 

 272 p., 13 fig. 



(11) ZollER, Harper F. 



1918. SOME CONSTITUENTS OF THE AMERICAN GRAPEFRUIT (CITRUS DECUMANA). 



In Jour. Indus, and Engin. Chem., v. 10, no. 5, p. 364-374, 2 fig. Bib- 

 liography, p. 374-375- 



