942 
Journal of Agricultural Research 
Vol. V, No. 20 
(16) Nbstler, A. 
1910. Zur Kenntnis der Lebensdauer der Bakterien. In Ber. Deut. Bot. Gesell., 
Bd. 28, Heft 1, p. 7-16. 
(17) PrnSBR, K. 
1915. Factors influencing the resistance of lactic acid bacteria to pasteurization. 
(Abstract.) In Science, n. s. v. 42, no. 1079, p. 320. 
(18) Pfuhl, E. 
1902. Vergleichende Untersuchungen fiber die Haltbarkeit der Ruhrbacillen 
und der Typhusbacillen ausserhalb des menschlichen Korpers. In 
Ztschr. Hyg. u. Infectionskrank., Bd. 40, Heft 3, p. 555-566. 
(19) Rahn, Otto. 
[1912.] The bacterial activity in soil as a function of grain size and moisture 
content. Mich. Agr. Exp. Sta. Tech. Bui. 16, p. 451-489, 1 fig. 
(20) RE vis, Cecil. 
1910. The stability of the physiological properties of coliform organisms. In 
Centbl. Bakt. [etc.], Abt. 2, Bd. 26, No. 6/7, p. 161-178. 
(21) - 
1913. On the probable value to Bacillus coli of “slime” formation in soils. In 
Proc. Roy. Soc. [London], s. B, v. 86, no. 588, p. 371-372. 
(22) Rosbnau, M. J. 
1913. Preventive Medicine and Hygiene. 1074 p., 157 fig. New York and 
London. 
(23) Smith, Erwin F. 
1905. Bacteria in Relation to Plant Diseases, v. 1.. Washington, D. C. (Car¬ 
negie Inst. Washington Pub. 27.) Bibliography, p. 203-266. 
Cites (p. 71) work of Harding and Prucha. 
