PLATE XXIV A. 



Oithona spinifrons. 



Fig. 1. Adult female. 



2. Bight anterior antenna of male. 



Cervinia Bradyi. 



3. Adult (female?). 



4. Anterior antenna. 



5. Posterior antenna. 



6. Mandible and palp. 



7. Maxilla. 



8. First foot-jaw. 



9. Second foot-jaw. 



10. Foot of first pair. 



11. Foot of second pair. 



12. Foot of third pair. 



13. Foot of fourth pair. 



