PLATE VIII. 



Gentropages typicus. 



Fig. 1. Female seen from above. 



2. Right anterior antenna of male. 



3. Apical joints of left anterior antenna of male. 



4. Posterior antenna. 



5. Mandible and palp. 



6. Posterior foot-jaw. 



7. Terminal spines of swimming foot. 



8. Third swimming foot. 



9. Fifth foot of female. 



10. Fifth pair of feet of male. 



Gentropages hamatus. 



11. Right anterior antenna of male. 



12. Terminal spines of swimming foot. 



13. Right fifth foot of male. 



Cauda ce pectinata. 



14. Posterior antenna. 



15. Anterior foot- jaw. 



