PLATE G 



EXPLANATION OF FIGURES 



120 to 135 Labium. 

 120 to 127 Ventral aspect. 



128 to 135 Dorsal aspect with hypopharynx turned over to sliow its ventral 

 aspect. 



Blatta orientalis. 



Mantis religiosa. 



Gryllus pennsylvanicus. 



Stenopelmatus sp. 



Melanoplus differentialis. 



Orchelimum vulgare. 



Tettix arenosus. 



Diapheromera femorata. 



300 



