MONTANA EXPERIMENT STATION. 237 



Spharagemon sequale Say. 



This grasshopper is often met with in the heat of the day, is 

 a strong flyer and a difficult one to catch. In some places it was so 

 common as to be somewhat injurious. 



Arphia tenehrosa Scudder. 



This grasshopper fies with a clattering sound, often poises it- 

 self in the air in the heat of the day, remaining in one spot with the 

 wings rapidly vibrating. 



Chortophaga viridifasciata DeG. THE GOAT-HEADED GRASS- 

 HOPPER. 



This exceedingly variable species, found in the early part of the 

 season, often assembles in colonies. It varies between bright green 

 and dull brown. 



Dissosteira Carolina Linn. THE CAROLINA LOCUST. 



This grasshopper is the species known to most people as the one 

 that poises in the an- making a peculiar rattling or rustling sound, 

 settling to the earth as the sound dies out. It occurs commonly along 

 dustv roads and hGt,gravelly places as along railroad tracks. The 

 writer has often observed it to be abundant in various parts of 

 Montana. 



Cordillacris occipitalis Thomas. 



This species occurs on the plains east of the Rocky Mountains. 

 We have found it very abundant in eastern Montana. 



Melanoplus dawsoni Scudder. 



This species when mature has rudimentary wings which reach, 

 only about half-way to the end of the abdomen. The under side is 

 yellow, with prominent black bands on the abdomen. It has been 

 common in lowlands in the Gallatin valley and in the Yellowstone 

 valley. 



