PLATE XXXII. 



Figs. 1-11. Acartia laxa, Dana. 

 Fig. 1. Female, magnified 40 diameters. 

 Fig. 2. Anterior antenna of female 

 Fig. 3. Posterior antenna. 

 Fig. 4. Mandible and palp. 

 Fig. 5. Maxilla. 

 Fig. 6. Anterior foot-jaw. 

 Fig. 7. Posterior foot-jaw. 

 Fig. 8. Foot of first pair. 



Fig;. 9. Outer branch of one of the swimming feet. 

 Fig. 10. Fifth pair of feet of female. 

 Fig. 1 1 Abdomen of female. 



Figs. 12-17. Acartia denticornis, n. sp. 



Fie. 12. Anterior antenna of male 



Fie. 13. Posterior foot-jaw. 



Fig. 14. Foot of third pair. 



Fig. 15. Fifth foot of male (one side only.) 



Fig. 16. Fifth pair of feet of female. 



Fig. 17. Abdomen of male. 



