EXPLANATION OF PLATE VII. 



Fig. 1. Head of Somabrachys aegrota, frontal aspect . . . . 

 ,, 2. ,, „ ,, lateral „ - 



Ant. = antenna ; S. = suture separating the frons ( = clipeus) from the 

 epicranium ; C. = ridge in front of the interantennal suture ; P.c. = central 

 process ; P.O. = oral process. 



3. Head of Somabrachys infuscata, frontal aspect .... 



4. „ „ „ lateral „ 



5. „ „ chretieni, frontal „ .... 



6. Frontal process of Somabrachys aegrota ----- 



infuscata 



I . J 



> >) 



8. , 



j )> 



9. , 



> )> 



10. , 



, scar 



11. , 



j j? 



12. , 



) >) 



13. 



> !) 



14. 



) >> 



15. 



) )) 



'ihretieni 



p. 353 

 p. 353 



p. 356 

 p. 356 

 p. 357 

 p. 353 

 p. 353 

 p. 353 

 p. 353 

 p. 356 

 p. 356 

 p. 356 

 p. 357 

 p. 357 

 p. 357 



