ACRIDIID/E 



PLATE 8 



Fig. i Summit " balds " east of summit of Roan Mountain, North Carolina. 



^^W-' : -#& 





S/ 



$ m 







xV 



* 



>- 





*, 



Fig. 2 Protective coloration of Trimerohopis citrina. Male and female locusts 



on sandy soil marked with raindrop impressions. Tarboro, 



North Carolina. (The rule to show scale.) 



