176 



Part III. — Twenty-first Annual Report 



Fig. 7. Antenna of first young stage (1), . 



Fig. 8. Mandible, I. Zoea; e. cutting edge; t. tooth; cr. crushing crown, 



Fig. 9. Mandible, IV. Zoea, 



Fig. 10. Mandible, first young stage, 



Fig. 11. Antenna, Megalops, 



Fig. 12. Hair of first maxilla. III. Zoea. 



Fig. 13. First maxilla, IV. Zoea, . 



Fig. 14. First maxilla, I. Zoea, 



Fig. 15. Palp of first maxilla, III. Zoea. 



Fig. 16. Antenna, I. Zoea, . 



Fig. 17. Antenna, II. Zoea, 



Fig. 18. Basal joints, antennule, first young stage, left side, 



Fig. 19. Tips of sensory tubes of antennule, first young stage. 



Fig. 20. Antennule, first young stage, part of. 



Fig. 21. Antennule and antenna, first young stage, right side, 



Fig. 22. Mandible, III. Zoea, .... 



Fig. 23. Antenna of first young stage (the first two joints are not shown), 



same specimen as fig. 21. 



Fig. 24. Mandible, II. Zoea, ...... 



Fig. 25. Labium I. Zoea, ...... 



Fig. 26. a. Mandible of Megalops ; h. palp of do., 



Fig. 27. Hairs of palp of mandible, first young stage. 



Fig. 28. Spine of first maxilla, I. Zoea. 



Fig. 29. Antennule, Megalops, ...... 



Fig. 30. End of first joint of jointed branch of antenna, II. Zoea. 



Fig. 31. Spine of first maxilla, I. Zoea. 

 Fig. 32. 



Fig. 33. Ventral surface, cephalic region, I. Zoea, 



Fig. 34. Spines of first maxilla, I. Zoea. 



Fig. 35. First maxilla, III. Zoea, ...... 



Fig. 36. First maxilla, IV. Zoea, palp abnormal. This and that repre- 

 sented by fig. 13 are from the same specimen. 



Fig. 37. First maxilla, II. Zoea, ...... 



Fig. 38. First maxilla, III. Zoea, two basal lobes, 



X 48 



X 220 



X 200 



X 120 



X 120 



120 

 220 



220 

 220 

 120 



120 

 120 

 120 



X 220 

 X 220 

 X 120 



X 120 



X 100 

 X 120 



X 220 

 X 220 



Plate VIII. 



Fig. 39. Second maxilla, II. Zoea, . . . . . . x 220 



Fig. 40. Second maxilla, IV. Zoea, . . . . . x 120 



Fig. 41. First maxillipede, IV. Zoea, . . . . x 57 



Fig. 42. First maxilla of first young stage, . . . . x 220 



Fig. 43. First maxillipede, Megalops, . . . . . x 120 



Fig. 44. Spine of second maxilla, I. Zoea. 



Fig. 45. Second maxilla, I. Zoea, . . . . . . x 220 



Fig. 46. Second maxilla, Megalops, . . . . . x 120 



Fig. 47. First maxilla, Megalops, . . . . . . x 220 



Fig. 48. First maxillipede, first young stage, . . . . x 57 



Fig. 49. Spine-bearing edges of basal lobes of first maxilliped(;, Megalops, x 120 



Fig. 50. Spine of second maxilla, I. Zoea. 



Fig. 51. First and second maxillipedes, II. Zoea, . . . . x 120 



Fig. 52. Tip of exopodite of first maxillipede, III. Zoea. 



Fig. 53. First maxillipede, III. Zoea. . . . . . x 57 



Fig. 54. Spine of second maxilla, I. Zoea. 



Fig. 55. Second maxilla, IV. Zoea. 



Fig. 56. Spine from protopodite lobes of first maxillipede, first young 

 stage. 



Fig. 57. First maxillipede, I. Zoea, . . . . . x 120 



Fig. 58. Protopodite lobes of first maxillipede, first young stage. 



Fig. 59. Second maxilla, first young stage, . . . . x 120 



Fig. 60. Endopodite, first maxillipede, first young stage. 



Fig. 61. Second maxilla. III. Zoea, . . . . . x 220 



Fig. 62. Spine of protopodite of first maxillipede, first young stage. 

 Fig. 63. 



Plate IX. 



Fig. 64. Second maxillipede, Megalops, . . . . . x 120 



Fig. 65. Second maxillipede. III. Zoea, . . . . . >: 57 



Fig. 66. Second maxillipede, IV. Zoea, . . . . x 57 



