CON PENS: 
Historical summary of chinch-bug diseases ...........-.--..--.2---+-------- 
Results of experiments for 10 years, 1888 to 1897......------ As 
Outline of work against the chinch bug carried on in Randas ee 1910. eth 
Natural distribution of Sporotrichum in Kansas. . noe ee 
Natural presence of Sporotrichum among chinch hae Gace fiberaation. epee 
Natural presence of Sporotrichum in wheat fields and cornfields during the 
Gprino ane summer of VOIOD.: 2 cen cece cea ne cies eae ieee n= ese 
Insects upon which Sporotrichum has been found.........-..---------------- 
Natural distribution of Sporotrichum in the soil and its relation to artificial 
THREES) E LET TOTAM 2 SS RR SENS SIRI tM SPs RYN = 0 ep a Rae ee Rt 
Artificial infection experiments with Sporotrichum in the laboratory......---- 
Artificial infection—field experiments ..............------------------------ 
Mr. L. A. Kenoyer’s report of his experiments with Sporotrichum and the 
churn bln Sse eee ees oes te = Cala ieee ener Bisee a eh 
Remedial measures and conclusions: 222222222. cars ake 0. Ae as 
Pap Geraiaye nse sp eee pence se te es eck eae nel eee an > lo meraisied wai stan =a 
