PLATE XXIII. 



Figs. 1-10. Calanoides patagoniensis, n. gen. and sp. 



Fig. 1. Male, seen from above, magnified 40 diameters. 



Fig. 2. Posterior antenna. 



Fig. 3. Mandible of male. 



Fig. 4. Mandible of female. 



Fig. 5. Maxilla of female. 



Fig. 6. Anterior foot-jaw. 



Fig. 7. Posterior foot-jaw of male. 



Fig. 8. Foot of third pair. 



Fig. 9. Fifth pair of feet of male. 



Fig. 10. Abdomen of female. 



Figs. 11-14. Euchceta hessei, n. sp 

 Fig. 11. Foot of first pair. 

 Fig. 12. Foot of second pair. 

 Fig. 13. Foot of fourth pair (female). 

 Fig. 1 4. Abdomen of female, with attached spermatophores. 



