176 Part III-—Twenty-first Aunual Report 
Fig. 7. Antenna of first young stage (1), . 
Fig. 9. Mandible, IV. Zoéa, 2 
Fig. 10. Mandible, first young stage, 
Fig. 11. Antenna, Megalops, 
Fig. 12. Hair of first maxilla, ITI. Zoéa. 
Fig. 13. First maxilla, IV. Zoéa, 
Fig. 14. First maxilla, I. Zoéa, 
Fig. 15. Palp of first maxilla, III. Zoéa. 
Fig. 16. Antenna, I. Zoéa, . 
Fig. 17. Antenna, II. Zoéa, 
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, ITI. Zoéa, 
Fig. 23. Antenna of first young stage (the first two joints: are not shown), 
same specimen as fig. 21. 
Fig. 24. Mandible, II. Zoéa, 
Fig. 25. Labium (b. ), I. Zoéa, ; 
Fig. 26. a. Mandible of Megalops ; b. palp of do., A 
Fig. 27. Hairs of palp of mandible, first young stage. 
Fig. 28. Spine of first maxilla, I. Zoéa. 
Fig. 29. Antennule, Megalops, 
Fig. 30. End of first joint of jointed branch of antenna, Il. Zoéa. 
Fig. 31. Spine of first maxilla, I. Zoéa. 
Fig. 33. Ventral surface, "cephalic region, I. Zoéa, 
Fig. 34. Spines of first maxilla, I. Zoéa. 
Fig. 35. First maxilla, II. Zoéa, 
Fig. 36. First maxilla, [V. Zoéa, palp abnormal. This and that repre- 
sented by fig. 13 are from the same specimen. 
Fig. 37. First maxilla, I. Zoéa, . 
Fig. 38. First maxilla, III. Zoia, two basal lobes, 
Pruate VIII. 
Fig. 39. Second maxilla, I. Zoéa, . 
Fig. 40. Second maxilla, IV. Zoéa, 
Fig. 41. First maxillipede, IV. Zoéa, 
Fig. 42. First maxilla of first young stage, 
Fig. 43. First maxillipede, Megalops, 
Fig. 44. Spine of second maxilla, I. Zoéa. 
Fig. 45. Second maxilla, I. Zoéa, 
Fig. 46. Second maxilla, Megalops, 
Fig. 47. First maxilla, Megalops, 
Fig. 48. First maxillipede, first young stage, 
Fig. 49. Spine-bearing edges of basal lobes of first maxillipede, Megalops, 
Fig. 50. Spine of second maxilla, I. Zoéa. 
Fig. 51. First and second maxillipedes, II. Zoéa, . 
Fig. 52. Tip of exopodite of first maxillipede, IIT. Zoéa. 
Fig. 53. First maxillipede, III. Zoéa, : 
Fig. 54. Spine of second maxilla, I. Zoéa. 
Fig. 55. Second maxilla, IV. Zoia. 
Fig. 56. Spine from protopodite lobes of first maxillipede, first young 
stage. 
Fig. 57. First maxillipede, I. Zoéa, 
Fig. 58. Protopodite lobes of first maxillipede, first young stage. 
Fig. 59. Second maxilla, first young stage, 
Fig. 60. Endopodite, first maxillipede, first young stage. 
Fig. 61. Second maxilla, HI. Zoéa, 
Fig. 62. Spine of protopodite of first maxillipede, first young stage. 
Fig. 63. 3” 33 9 9 ” ” 
PuatE IX. 
Fig. 64. Second maxillipede, Megalops, 
Fig. 65. Second maxillipede, HI. Zoéa, 
Fig. 66. Second maxillipede, IV. Zoéa, 
Fig. 8. Mandible, I. Zoéa; e. cutting eleee t. tooth ; er. crushing crown, 
x XX XK X 
Vv 
