Explanation of Plate XXII. 



Fig. 1. Lophotettix brevicristatus, gen. et sp. nov. 



(a) Side view of body ; (6) one of the antennae and head 

 viewed from above. 



2. Holoarcus alt/inotus, gen. et sp. nov. 



Side view of body. 



3. Oxyphyllum pennatum, gen. et sp. nov. 



Side view of body. 



4. TefMlobus spinifrons, gen. et sp. nov. 



(a) Side view of body ; (6) dorsal view showing the 

 lateral lobe of pronotum with the posterior angle. 



5. Crignotettix burri, gen. et sp. nov. 



Side view of body. 



6. Orthotettix obliquifrons, gen. et sp. nov. 



(a) Side view of body ; (b) head showing vertex viewed 

 from above. 



7. Thoradonta spinata, gen. et sp. nov. 



Viewed from above, showing head and lateral lobes 

 of pronotum. 



8. Halmatettix cristinotus, gen. et sp. nov. 



Side view of body (hind femora missing in type). 



