PLATE XVII. 



Chiridius artnatus, (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. 



