PLATE XXVIII. 



Nyctiphanes cmstralis, G. 0. Sars. 

 (Early larval stages.) 



Fif. 1. Larva in Metauauplius stage, from above; highly magnified. 



Fig. 2. Same, from left side. 



Fig. 3. Same, from below, more strongly magnified, exhibiting the budding limbs 



behind the anterior lip. 



Fig. 4. Larva in first Calyptopis stage, from right side ; highly magnified. 



Fig. 5. Same, from above. 



Fig. 6. Same, from below ; more strongly magnified. 



Fio". 7. Anterior prominence of ocular segment, with the ocellus. 



Fiff. 8. One of the antennulse. 



Fio". 9. One of the antennae. 



Fig. 10. Anterior lip and mandibles. 



Fig. 11. Posterior lip. 



Fio-. 12. Mandible. 



to 



Fig. 13. Cutting edge of left mandible. 



Fig. 14. Cutting edge of right mandible. 



Fig. 15. Appendicular plate of cutting edge. 



Fig. 1 6. Maxilla of first pair. 



Fig. 17. Maxilla of second pair. 



Fig. 18. Maxilliped. 



Fig. 19. Extremity of tail, from below. 



Fig. 20. Larva in second Calyptopis stage, from left side ; highly magnified. 



Fig. 21. One of the antennulse. 



Fig. 22. Extremity of tail, from below. 



Fig. 23. Larva in last Calyptopis stage, from right side ; highly magnified. 



Fig. 24. Left antennulse, from above. 



Fig. 25. Maxilla of first pair. 



Fig. 26. Extremity of tail, with teLsou and uropoda, from below. 



