sept. 4 , i 9 i6 Influence of Barnyard Manure on Soil Bacteria ' 925 



(25) King, F. H. 



1894. Studies relating to ground-water and soil moisture. In Wis. Agr. Exp. 

 Sta. 10th Ann. Rpt. [1892J/93, p. 167-200, fig. 27-40. 



(26) King, W. E., and Doryland, C. J. T. 



1909. The influence of depth of cultivation upon soil bacteria and their activi- 

 ties. Kans. Agr. Exp. Sta. Bui. 161, p. 211-242, 3 fig. 



(27) Krainskii, A. V. 



1908. Azotobacter chroococcum, its physiological properties and its activity in 

 soil. (Abstract.) In Exp. Sta. Rec, v. 22, no. 5, p. 427. 1910. 

 (Original article in Zhur. Opuitn. Agron. (Russ. Jour. Exp. Landw. - ), 

 t. 9, kniga 6, p. 6S9-749, 8 fig. 1908. Not seen.) 

 (28) 



1912. Enriching of soils in nitrogen in connection with the life activity of 

 aerobic micro-organisms assimilating free nitrogen. (Abstract.) In 

 Exp. Sta. Rec, v. 31, no. 8, p. 721-722. 1914. (Original article in 

 Univ. Izv. [Kief], t. 52, no. 4, pt. 2, art. 3, p. 1-58; no. 8, pt. 2, art 3, 

 p. 59-131, 7 fig; no. 9, pt. 2, art. 5, p. 133-182, 2 fig. 1912. Not seen.) 



(29) Lemmermann, Otto, and Einecke, Albert. 



1914. liber die Wirkung einer Beigabe von Stalldiinger zur Grundiingung. 

 In Mitt. Deut. Landw. Gesell., Jahrg. 29, Stuck 52, p. 702-704. 



(30) Lipman, J. G. 



1907. Chemical and bacteriological factors in the ammonification of soil nitro- 

 gen. In N. J. Agr. Exp. Sta. 27th Ann. Rpt. [19051/06, p. 1 19-187. 



(31) McLean, H. C, and others. 



1914. The influence of the mechanical composition of the soil on the availa- 

 bility of nitrate of soda and dried blood. N. J. Agr. Exp. Sta. Bui. 

 268, 25 p., 4 fig., 1 pi. 



(32) Millard, W. A. 



1911. Bacteriological tests in soil and dung. In Centbl. Bakt. [etc.], Abt. 2, 

 Bd. 31, No. 16/22, p. 502-507, 2 pi. 



(33) Moll, R. 



1910. Beitrage zur Biochemie des Bodens. (Abstract.) In Jahresber. Landw., 

 Jahrg. 24, 1909, p. 41. 



(34) NiklEwski, Bronislaw. 



1910. tiber die Bedingungen der Nitrifikation im Stallmist. In Centbl. 

 Bakt. [etc.], Abt. 2, Bd. 26, No. 13/15, p. 388-442. 



(35) Petit, A. 



1903. Influence de quelques operations culturales sur la production de la 

 gelee blanche. In Jour. Soc. Nat. Hort. France, s. 4, t. 4, p. 300-305. 



(36) Pkeifper, Theodor, Franke, Ernst, Gotze, Karl, and Thurmann, H. 



1897. Beitrage zur Frage fiber die bei der Faulnis stickstoffhal tiger organischer 

 Substanzen eintretenden Umsetzungen. In Landw. Vers. Stat., Bd. 

 48, Heft 3/5, p. 189-245. Quotes (p. 238) from article by Wagner. 



(37) Remy, Th. 



1902. Bodenbakteriologische Studien. In Centbl. Bakt. [etc.], Abt. 2, Bd. 8, 

 No. 21, p. 657-662; No. 22, p. 699-705; No. 23, p. 728-735; No. 24, p. 

 761-769. 



(38) Roche, R. 



1907. Studies on nitrification of the soil of Egypt. (Abstract.) In Exp. Sta. 

 Rec, v. 19, no. 7, p. 624. 1908. (Original article in Bui. Assoc. Chirn. 

 Sucr. et Distill., t. 24, no. 12, p. 1699-1701, 1907; Bui. Inst. Egyptien, 

 s. 5, t. 1, no. 1, p. 107-113, 1907. Not seen.) 



