214 
THIRTEENTH REPORT. 
LITERATURE CITED. 
( 1 ). 
( 2 ). 
Pub. 27, 
Fulle 
Puggar. Fungous Diseases of plants, 1010, pp. 33, 34. 
Smith. Relation of Bacteria to Plant Diseases, Carnegie Inst, 
p. GO. 
r. On Proper Reaction of Nutrient Media for Bacteria Culti- 
vation. Jour. Pub. Health Asso., XX, Oct., 1805. 
(3). King-Doryland. The Intiuence of Depth of Cultivation upon 
Soil Bacteria and Their Activities, Kan. Agri. Fxp. Sta., Bull. Xo. 101, 
1000. 
(4). Oedema ns and Koxixg. Archives Xeerlandaises <le^ Sciences 
Fxactes et Xaturelles, 2 Series. VII, 1002. 
Cniversity of Michigan, April 20, 1011. 
