EXPLANATION OF PLATE XV. 



Figs. 1, la. — Criotettix maximus, sp. nov., X 3. 



2, 2a. — Coptotettix nullipennis sp. nov., X 4. 

 >j 3> 3^- — Coptotettix tumidus, sp. nov., X 3f. 

 ,, 4, 4,a.— Criotettix orientalis, sp. nov., X 4. 



