PLATE i 
Horn worm septicemia: 
Inoculations with Bacillus sphingidis , using the puncture method. All of the 
insects were dead. Photographed and reproduced at about natural size. 
A and B.—Homworms two days after inoculation hanging by hook of proleg from 
leaf of tobacco plant on which they had been feeding. 
C. —Cutworms three days following inoculation. 
D. —Grasshoppers two days following inoculation. 
E. —Catalpa-moth larvae two days after inoculation. 
F. —Silkworms, fifth instar, two days after inoculation. 
