106 



Part III — Twenty-third Annual Report 



EXPLANATION OF PLATES. 



PLATE I. 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 7. 

 Fig. 8. 

 Fig. 9. 

 Fig. 10. 

 Fig. 11. 



Fig. 13. 

 Fig. 14. 

 Fig. 15. 

 Fig. 16. 

 Fig. 17. 

 Fig. 18. 

 Fig. 19. 

 Fig. 20. 

 Fig. 21. 

 Fig. 22. 

 Fig. 23. 

 Fig. 24. 

 Fig. 25. 

 Fig. 26. 

 Fig. 27. 

 Fig. 28. 

 Fig. 29. 



All the Figures are of the First Zoea. 



Antenna and antennule, ..... 



Antennule, ....... 



Labrum, . . . . 



Eye and rostrum, ...... 



Mandible, ....... 



Cutting edge of mandible, ..... 



First maxillipede, ...... 



Third maxillipede, ...... 



Second maxilla, ...... 



Palp (?) of first maxillipede, .... 



First pereiopod (chela), . . . . » . 



First protopodite joint and gills of the second pereiopod, 

 Third pereiopod, ...... 



Epipodite of second maxillipede, ..... 



First protopodite joints and. gills of the second pereiopod, 

 Third maxillipede, ...... 



Propodite and dactylopodite joints of the third pereiopod, 

 Palp of mandible, ...... 



Protopodite of the second maxillipede, 



Propodite and dactylojwdite joints of the chela (first pereiopod), 

 Propodite and dactylopodite joints of the second pereiopod. 

 Second pereiopod, ...... 



Edge of endopodite of the first maxillipede, 



Flagellum of antenna, ..... 



First protopodite joint of the third pereiopod, 



First protopodite joint of the third pereiopod (second view), 



First maxilla, ...... 



Protopodite of the chela (first pereiopod), . 



Second maxillipede, ..... 



PLATE II. 



Fig. 30. 

 Fig. 31. 

 Fig. 32. 

 Fig. 33. 

 Fig. 34. 



Fig. 35. 

 Fig. 36. 

 Fig. 37. 

 Fig. 38. 



Fig. 39. 

 Fig. 40. 

 Fig. 41. 

 Fig. 42. 

 Fit;. 43. 



Fig. 44. 



Fig. 45. 

 Fig. 46. 

 Fig. 47. 

 Fig. 48. 

 Fig. 49. 



Fig. 50. 

 Fig. 51. 

 Fig. 52. 



Fig. 53. 

 Fig. 54. 

 Fig. 55. 



Fig. 56. 



Abdomen, zoea, first stage, ventral view, (/=ganglion, 

 Abdomen, 2nd and 3rd joints, zoea, first stage, side view, 

 Abdomen, 2nd and 3rd joints, zoea, stage la, side view, . 

 Abdomen, 5th joint, zoea, second stage, ventral view, 

 Propodite and dactylopodite joints of the fourth pereiopod, zoea 



first stage, ..... 

 Telson, zoea, third stage, ventral view, 

 Cast 4th pleopod of zoea, third stage, 

 Abdomen, 3rd and 4th joints, zoea, third stage, . 

 Protopodite joints of first pereiopod, zoea, "fourth" stage, 



2a + 2b = 2nd protopodite joint, . 

 Protopodite joints of second pereiopod, zoea, " fourth " stage 

 First protopodite joint of fourth pereiopod, zoea, first stage, 

 Setce of hind border of telson, zoea, first stage. 

 Fifth pereiopod, zoea, first stage, .... 

 First pereiopod, zoea, "fourth" stage. 

 Protopodite joints, first (1), second (2a + 2b), efi= endopodite, 



ea?=exopodite, zoea, " fourth " stage, 

 Protopodite, first joint, fifth pereiopod, zoea, first stage 

 Telson, zoea, la stage, .... 

 Abdomen, side view, zoea, first stage, 

 Telson, zoea, second stage, a = anus, 

 Side of thorax, zoea, first stage, showing the arrangement of the 



gills. 



Abdomen, zoea, first stage, dorsal aspect. 

 Third pleopod, zoea, " fourth " stage, . 



Propodite and dactylopodite joints of fifth pereiopod, zoea, first 

 stage, . . . ... . 



Fourth pereiopod, zoea, first stage, . 



First protopodite joint, fourth pereiopod, zoea, first stage, 



One of the serrated spines on propodite of fourth pereiopod, zoea, 

 first stage. 



Telson, zoea, " fourth" stage, ventral view, 



magnified, 

 magnified, 

 magnified. 



57 



02 

 19 

 02 



11 



