PLATE XXVI. 



Stylocheiron carinahim, G. 0. Sars. 



Fig. 1. Ovigerous female, from left side ; magnified about fourteen times. 



Fig. 2. Left side of trunk, with the gills in situ, from outer face. 



Fig. 3. Right antennular peduncle, from above. 



Fig. 4. Right antenna, with scale and proximal part of flagellum, from below. 



Fig. 5. Anterior lip and mandibles. 



Fig. 6. Posterior lip. 



Fig. 7. Masticatory parts of mandibles, exhibiting the armature of the cutting edges. 



Fig. 8. Maxilla of first pair. 



Fig. 9. Maxilla of second pair. 



Fig. 10. Maxilliped. 



Fig. 11. Extremity of same ; more highly magnified. 



Fig. 12. Leg of third paii'. 



Fig. 13. Leg of fourth pair. 



Fig. 14. Leg of fifth pair. 



Fig. 15. Leg of penultimate pair, with luminous organ. 



Fig. 16. Gill of last pair, with rudiment of leg. 



Fig. 17. Rudimentary leg of last pair, isolated, and more highly magnified. 



Fig. 18. Extremity of tail, with caudal fan, from above. 



Fig. 19. Adult male, from right side. 



Fig. 20. The i'our posterior gills on right side of same, with the greatly developed 



luminous organ at base of penultimate pair. 

 Fig. 21. Right male antennular peduncle, from above. 

 Fig. 22. Leg of second pair (exopod and gill omitted). 

 Fig. 23. Gill of penultimate pair in male, with the luminoixs organ. 

 Fig. 24. Last pair of gills, from below. 

 Fig. 25. Male pleopod of first pair. 

 Fig. 26. Inner plate of same ; more highly magnified. 

 Fig. 27. Inner plate of a male pleopod of second pair. 



