PLATE XLVIL 



Mesochra Robertsoni. 



Fig. 1. Adult female. 



2. Anterior antenna, female. 



3. Anterior antenna, male. 



4. Inner branch of posterior antenna. 



5. First foot- jaw. 



6. Second foot-jaw. 



7. First foot, female. 



8. First foot, male. 



9. Second foot. 



10. Third foot. 



11. Inner branch of fourth foot. 



12. Fifth foot, female. 



13. Fifth foot, male. 



14. Inner branch of second foot, male. 



15. Tail. 



Mesochra Lilljeborgii. 



16. Firstfoot-jaw. 



17. First foot. 



18. Second foot. 



19. Inner, and part of outer, branch of fourth 



foot, female. 



20. Inner branch of fourth foot, male. 



21. Fifth foot, female. 



