PLATE XVII. 



Chiridius armatus, (Boeck). 



Fig. 1. Adult female, dorsal view (left anterior antenna not 

 fully drawn). 



— 2. Same, viewed from right side. 



— 3. Frontal part of body, lateral view. 



— 4. Spiniform lateral corner of last segment of trunk. 



— 5. Posterior antenna. 



— 6. Mandible with palp. 



— 7. Maxilla. 



— 8. Anterior maxilliped. 



— 9. Posterior maxilliped. 



— 10. Natatory leg of 1st pair. 



— 11. Do. of 2nd pair. 



— 12. Do. of 4th pair. 



— 13. Extremity of tail with the caudal rami, dorsal view. 



— 14. Mandibular palp of male. 



— 15. Last pair of legs of same. 



