Explanation of Plate IX. 



Fig. 1. 



Pherojysophus heathi, Arrow. 



2. 



,, nigricollis, Arrow. 



3. 



„ curtus, Arrow. 



4. 



„ perroti, Arrow. 



5. 



„ abbreviatus, Arrow. 



6. 



„ gracilis, Arrow. 



7. 



„ congoensis, Arrow. 



8. 



„ dimidiatus, Arrow. 



9. 



„ livingstoni. Arrow. 



