PLATE XLY. 



Canthocamptus Northumbricus. 



Fig. 1. Anterior antenna, female. 



2. Anterior antenna, male. 



3. Inner branch of posterior antenna. 



4. Mandible and palp. 



5. Maxilla. 



6. First foot-jaw. 



7. Second foot-jaw. 



8. First foot. 



9. Fourth foot. 



10. Inner branch, second foot, male. 



11. Inner branch, third foot, male. 



12. Fifth foot, female. 



13. Fifth foot, male. 



14. Abdomen and tail, male. 



Cantliocamptus trispinosus. 



15. Anterior antenna, female. 



16. Inner branch of posterior antenna. 



17. Mandible and palp. 



18. First foot-jaw. 



19. Second foot-jaw. 



20. Inner branch of second foot. 



21. Fifth foot, female. 



22. Posterior abdominal segments and tail. 



