XXI. 



Fm. 1. Interior of a blackjack foreBt. — On the ground are Mel'tnoptus faaciatus, M. luridus, 

 M. impudicuB, and under gatherines of tXvy leaves GtuUus U abuntiant. Along the 

 forest rnart^ins are Schistocerca aliUacen and Hippiscus phcBnicopterus. 



and 



Fig. 2. lriteru)r of a nie:5'>phytic fornpt (>i whirc oak and bur-oak ' :. a -an I rulii'j fxt^-ndiug ; 

 the low marginal bluff of the sand plain b^irderine the I!lin<^tis River — On the 

 ground are Melanoplua scudderi and Sphnragemon boUi. 



.loug 



