River "bob ton 
Percent 
1. Melanoplus ncxican-af! 32 
2. Ageneot'ettix deorun ~ — 17 
3. Aulocara elliotti 9 
Mclanoplus packardii . 9 
5. Trachyrhachis kiowa 6 
6, Eleven other spocios — 27 
Nymphs , 
Percent ag:e of grand total 
1, Melanoplus nexicanus 6o 
2, iigoneotettix deorun $ 
3« Me tat or pardalinus ^ 
h. Cann-ala pellucida U 
5. Melanoplun f cnur-ru'bruin 3 
b, Forty-.four other species 21 
ilynphs, 2,^2 
OKlAHOIvlA. 
In Oklalioma '^,2hk specinens viere collected. Of these M. different ialis 
was "by 'far the most nunorous. The v.'orst infestations were in the central and 
southwestern "parts of the State, 
