AC R I D I I 



PLATE 7 



FIG. i. Prairie-plains and outlying rocky spur of Wichita Mountains at Mountain Park, 



Oklahoma. 



FIG. 2. View on spur shown in fig. i. Bunch-grass and ledge habitats. 

 Mermiria spp., and Trimerotropis saxatilis. 



WICHITA MOUNTAIN DISTRICT. 



