PLATE XV. 



Figs. 1-S. Eupliausia antavctica, G. 0. Sars. 



Fig. I. Female, from right side ; magnified about eight times. 



Fig. 2. Anterior part of body, from above. 



Fig. 3. Extremity of tail, with caudal fan, from above. 



Fig. 4. Prcanal spine. 



Fig. 5. Mandibular palp. 



Fig. 6. Maxilla of first pair. 



Fig. 7. Maxilla of second pah". 



Fig. 8. Leg of antepenultimate pair, with attached gill. 



Figs. 9-11. Eupliausia mucronata, G. 0. Sars. 



Fig. 9. Adult female, from left side ; magnified about ten times. 



Fig. 10. Anterior part of bod)', from above. 



Fig. 11. Extremity of tail, with caudal fan, from alcove. 



Figs. 12-23. Euphausia gracilis, Dann. 



Fig. 12. Adult male, from right side ; magnified about twelve times. 



Fig. 13. Eight antennular peduncle, from above. 



Fig. 14. Left antenna, from lielow. 



Fig. 15. Mandibular palp. 



Fig. 16. Maxilla of first pair. 



Fig. 17. Maxilla of second pair. 



Fig. 18. Gill of last pair. 



Fig. 19. Preanal spine. 



Fig. 20. Anterior part of liody, from above. 



Fig. 21. Extremity of tail, with caudal fan, from above. 



Fig. 22. Inner plate of a male pleopod of first pair. 



Fig. 23. Inner plate of a male pleopod of second paii-. 



