i Arphia pseudonietana Thorn., a close relative of the 

 sulphur-winged grasshopper, A. sulphurea Fabr., a 

 rather common species frequently associated with the next 

 species 



2 Carolina grasshopper, Dissosteira Carolina Linn. 



3 Young or nymph of the Carolina grasshopper 



4 A color variety of the Carolina grasshopper 



5 Two-striped grasshopper, Melanoplus femoratus 



Burm. ; beside it is also shown a red tibia, a coloration some- 

 times found in this species 



6, 7 Three nymphs or immature stages of the two-striped grass- 

 hopper 



8 Red-legged grasshopper, Melanoplus femur-rub rum 

 DeG., one of the commonest of our grasshoppers and resem- 

 bling very closely the lesser red-legged grasshopper, 

 M. atlanis Riley, the species so destructive in the foot- 

 hills of the Adirondacks 



