PLATE XXXIII. 



Botachus cylindratus. 



. 1. Adult female. 



2. Young male ? 



3. Anterior antenna of adult female. 



4. Posterior antenna. 



5. Mandible and palp. 



6. Maxilla. 



7. Anterior foot-jaw. 



8. Posterior foot-jaw. 



9. Foot of first pair. 



10. Foot of second pair. 



11. Foot of fourth pair, a, spine of outer branch, 



more highly magnified. 



12. Foot of fifth pair. 



13. Tail. 



Doropygus porcicauda. 



14. Mandible, extremity. 



15. Posterior foot-jaw. 



16. Extremity of tail. 



