EXPLANATIONS OF PLATES. 



Plate 1. 



Figs. 1-10. Zoeas of Pinnotheres ostreum. 

 Fig. 1. Lateral view of first zoea. 



2. Frontal view of tirst zoea. 



3. Frontal view of second zoea. 



4. Lateral view of second zoea. 



5. Antennule, first zoea. 



6. Antennule, second zoea. 



7. Mandible, first zoea. 



8. Mandible, second zoea. 



9. Maxillule, first zoea. 

 10. Maxillule, second zoea. 



Plate 2. 



Figs. 11-18. Zoeas of Pinnotheres ostreum. 

 Fig. 11. Maxilla, first zoea. 



12. Maxilla, second zoea. 



13. First maxilliped, first zoea. 



14. First maxilliped, second zoea. 



15. Second maxilliped, first zoea. 



16. Second maxilliped, second zoea. 



17. Abdomen and telson, first zoea. 



18. Abdomen and telson, second zoea. 

 Figs. 19 and 20. Zoeas of Pinnotheres macidatus. 



Fig. 19. Lateral view of first zoea. 

 20. Frontal view of first zoea. 



Plate 3. 



Figs. 21-28. First zoea of Pinnotheres maculatus. 

 Fig. 21. Antennule. 



22. Antenna. 



23. Mandible. 



24. Maxillule. 



25. Maxilla. 



26. First maxilliped. 



27. Second maxilliped. 



28. Abdomen and telson. 



Figs. 29-37. First zoea of Dissodadylus mellitat. 

 Fig. 29. Lateral view of zoea. 



30. Frontal view of zoea. 



31. Antennule. 



32. Antenna. 



33. Mandible. 



34. Maxilule. 



35. Maxilla. 



36. First and second maxillipeds. 



37. Abdomen and telson. 



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