PLATE Xa. 

 Pont ell a Wollastoni. 



Fig. 1. Anterior antenna of female. 



2. Anterior antenna (right) of male. 



3. Posterior antenna. 



4. Mandible. 



5. Mandible-palp. 



6. Maxilla. 



7. Anterior foot- jaw. 



8. Posterior foot-jaw. 



9. Left foot of fifth pair, male. 



10. Right foot of fifth pair, male. 



11. Foot of fifth pair, female. 



12. Abdomen of male. 



(The figures in this plate are taken from the work 

 of Dr. Claus, ' Die frei-lebenden Copepoden,' &c.) 



