PLATE XXX. 



Eiiphausia pellucida, Dana. 



(Development of the liml),s.) 



Fig. 1. Left antcnnula of a larva ia second Calyptopis stage. 



Fig. 2. Same part of a larva in last Calyptopis stage. 



Fig. 3. Same part of a larva in last Furcilia stage. 



Fig. 4. Same part of a larva in first Cyrtopia stage. 



Fig. 5. Same part of a young Euphaiisia. 



Fig. 6. Right antenna of a larva in last Furcilia stage, from below. 



Fig. 7. Same part of a larva in first Cyrtopia stage. 



Fig. 8. Same part of a young Eitphausia. 



Fig. 9. Ocular segment, with left eye, of a larva in second Furcilia stage, from below. 



Fig. 10. Mandible of a larva in first Furcilia stage. 



Fig. 11. Same part of a larva in last Cyrtopia stage. 



Fig. 12. Same part of a young Euphausia. 



Fig. 13. Maxilla of first pair of a larva in last Calyptopis stage 



Fig. 14. Same part of a larva in last Cyrptopia stage. 



Fig. 15. Same part of a young Eiiphausia. 



Fig. 16. Maxilla of second pair- of a larva in last Calyptopis stage 



Fig. 17. Same part of a larva in last Cyrtopia stage. 



Fig. 18. Same part of a young Eiiphausia. 



Fig. 19. Maxilliped of a larva in last Calyptopis stage. 



Fig. 20. Same part of a larva in first Cyrtopia stage. 



Fig. 21. Same part of a larva in an intermediate Cyrtopia stage. 



Fig. 22. Same part of a larva in last Cyrtopia stage. 



Fig. 23. Leg of first pair of a larva in first i'urcUia stage. 



Fig. 24. Same jjart of a larva in an immediately following Furcilia stage. 



Fig. 25. Same part of a larva in second Furcilia stage. 



Fig. 26. Same part of a larva in last Furcilia stage. 



Fig. 27. Same part of a larva in last Cyrtopia stage. 



Fig. 28. Left side of trunk, with gills, of a larva in last Furcilia stage. 



Fig. 29. Same part of a larva in first Cyrtopia stage. 



Fig. 30. Leg of fourth pair, with rudiment of gill of same larva. 



Fig. 31. Left side of trunk, with gUls, of a larva in second Cyrtopia stage. 



Fig. 32. Same part of a young Euphaui-ia. 



Fig. 33. Pleopod of first pair of a larva in first Furcilia stage. 



Fig. 34. Same part of a larva in second Furcilia stage. 



Fig. 35. Same pai-t of a larva in last Furcilia stage. 



Fig. 36. Extremity of tail of a larva in second Calyptopis stage, from below. 



Fig. 37. Same part, with right uropod, of a larva in last Calyptopis stage. 



Fig. 38. Same part of a larva in first Furcilia stage. 



Fig. 39. Same part of a larva in second Furcilia stage. 



Fig. 40. Same part of a larva in last FurciUa stage. 



Fig. 41. Telson of a larva in first Cyrtopia stage. 



Fig. 42. Extremity of tail, with telson and right uropod of a larva in last Cyrtopia stage. 



