Journal of Agricultural Research 
Vol. IX. No. 6 
166 
LITERATURE CITED 
[The original articles of x and 4 to 10 have not been seen by the author, only abstracts in the Experi¬ 
ment Station Record having been consulted.] 
(1) Brdlik, V. 
1908. Zur Phosphorfrage im Chlorophyll. In Sitzber. K. Akad. Wiss. [Vienna], 
Math. Naturw. Kl., Abt. 1, Bd. 117, Halbbd. 1, Heft 5/6, p. 529-546. 
(2) Briggs, L. J., Jensen, C. A, and McLane, J. W. 
1916. Mottle-leaf of Citrus trees in relation to soil conditions. In Jour. Agr. 
Research, v. 6, no. 19, p. 721-739, 4 fig., pi. H, 96-97. 
(3) - 
1917. The mulched-basin system of irrigated Citrus culture and its bearing on 
thejcontrol of mottle-leaf. U. S. Dept. Agr. Bui. 499, 31 p., 1 pi. 
(4) Mameei, Eva. 
1912. Influenza del magnesio sopra la formazione della clorofilla. In Atti 
Soc. Ital. Prog. Sci. [Rome], 1911, v. 5, p. 793-799. 
(5) - 
1915. Influenza del fosforo e del magnesio sulla formazione della clorofilla. 
In Atti R. Accad. Lincei, Rend. Cl. Sci. Fis., Mat. e Nat., s. 5, y. 24, 
sem. 1, fasc. 7, p, 755~76o. 
( 6 ) - 
1915. II magnesio nelle piante albicate e clorotiche. In Atti R. Accad. Lincei, 
Rend. Cl. Sci. Fis., Mat. e Nat., s. 5, v* 24, sem. 1, fasc. 3, p. 262-267. 
(7) Maz£, P., Ruot, and LemoignE. 
1912. Recherches sur la chlorose v6g6tale provoqu6e par le carbonate de 
calcium. . In Compt. Rend. Acad. Sci. [Paris], t. 155, no. 7, p. 435-437. 
(8) Paleadine, W. 
1897. Influence de diverses substances et influence de l’oxyg&ne sur la forma¬ 
tion de la chlorophylle. In Compt. Rend. Acad. Sci. [Paris], t. 125, 
no. 21, p. 827-829. 
(9) SCHRYVER, S. B. 
1909. The chemistry of chlorophyll. In Sci. Prog., v, 3, no. 11, p. 425-449. 
Literature references, p. 448-449. 
(10) Stokeasa, J., Brdeik, V., and Just, J. 
1908. 1 st der Phosphor an dem Aufbau des Chlorophylls beteiligt? In Ber. 
Deut. Bot. Gesell., Bd. 26a, Heft 1, p. 69-78. 
(11) WlEESTATTER, R. 
1910. The chemistry of chlorophyll. In Rpt. 79th Meeting Brit. Assoc. Adv. 
Sci. 1909, p. 667-668. 
