Bui. 108, Bureau of Entomology, U. S. Dept. of Agriculture. 
Plate III. 
/ 
Fig. 1.— Wild Grassland in Central Kansas, Including Grama Grasses, Buffalo 
Grass, Etc., and with an Abundant Supply of Leafhoppers of the Genera 
Deltocephalus, Athysanella, Etc. (Original.) 
Fig. 2.— Wild Grassland at Dickinson, N. Dak., with Buffalo Grass, Grama 
Grasses, and Other Native Grasses and with Great Abundance of Leafhop- 
pers— Deltocephalus, Athysanus, Etc. (Original.) 
Fig. 3.— Small Patch of Cultivated Irrigated Grass in Front of Mammoth 
Hot Springs Hotel, Yellowstone National Park, which was Swarming with 
Leafhoppers Common to the Cultivated Species, Notwithstanding Its 
Remoteness from any other Cultivated Grass. 
