Oct. 29, 1921 Physiological Study of Grapefruit Ripening 279 



(10) Magness, J. R. 



1920. INVESTIGATIONS IN THE RIPENING AND STORAGE OF BARTLETT PEARS. 



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

 cited, p. 499-500. 



(11) Rivi^rE, Gustave, and Bailhache, Gabriel. 



1908. iSTUDE relative a la PROGRESSION ASCENDANTE DU SUCRE ET A LA 

 PROGRESSION DESCENDANTS DE l'ACIDITE;, DANS LES FRUITS DU 

 POIRIER, DEPUIS LEUR FORMATION JUSQU'A LEUR MATURITY. In 



Jour. Soc. Nat. Hort. France, ser. 4, t. 9, p. 284-289. 



(12) RiTTER, Georg. 



1910. UEBER DEN CHEMISCHEN REIFUNGSPROZESS DER FRUCHTE, MIT BESON- 



DERER BERUCKSiCHTiGUNG DES OBSTES. In Deut. Obstbauztg., 

 Jahrg. 56, Heft 31, p. 429-435- 



(13) Rolfs, P. H., Fawcett, H. S., and Floyd, B. F. 



1911. diseases of CITRUS FRUITS. Fla. Agr. Exp. Sta. Bui. 108, p. 25-47, 



fig. 10-23. 



(14) Sando, Charles B- 



1920. THE PROCESS OF RIPENING IN THE TOMATO, CONSIDERED ESPECIALLY 



FROM THE COMMERCIAL STANDPOINT. U. S. Dept. Agr. Bul. 859, 38 



p., 3 fig., 4 pi. (1-2 col.). I,iterature cited, p. 32-35. 



(15) Winston, John R. 



1921. TEAR-STAIN OF CITRUS FRUITS. U. S. Dept. Agr. Bul. 924, 12 p., 2 pi. 



Literature cited, p. 12. 



