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EXPLANATION OF PLATES, 
Frontispiece. 
Injury by White Ants to book in basement store-room at State 
House. 
PL1TE I 
Farm of G. C. Wells, near Farina, Fayette county; site of Ex¬ 
periments Nos. 55-58. 
PLATE II. 
Portion of University Agricultural Experiment Station Farm, at 
Urbana, Illinois, showing the site of Experiments Nos. 81-86. 
PLATE III. 
„ T , . ^ > near Edge wood, Effingham county; site 
of Experiment No. 77. 
PLATE IV. 
Farms of Silas Hurd and Frank H. Eobinson, near Odin, Mar¬ 
ion county; site of Experiment No. 75, and of muscardine outbreak 
No. 76. ’ 
PLATE Y. 
Fig. 1. Mason fruit-jar with altered cap. 
Fig. 2. Chinch-bug imbedded in Sporotrichum bearing heads of 
ripe spores. 
Fig. 3. A fragment of Sporotrichum from chinch-bug, spread out 
to show structure. Highly magnified. 
PLATE VI. 
Culture mass of corn-meal batter from fruit-jar, covered with 
oporotnchum, showing its mode of growth on solid media 
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