PLATE XXXVIII. 



Figs. I — 7. Metridia princeps Giesbrecht. 



Male, dorsal view. • 13. 



Male, antennule, right side. X 15,5. 



Male, antennule, left side. X 15,5. 



Male, second foot, hooks on basal joint of endopodite. X 144. 



Male, fifth feet. x 47. 

 Fig. 6. Female, second foot, hooks on basal joint of endopodite. X 144. 

 Fig. 7. Female, fifth feet. X 71. 



Figs. 8 — 11. Metridia macrura G. O. Sars. 



Fig. 8. Female, dorsal view. x 11,75. 



Fig. 9. Female, antennule. X 15. 



Fig. 10. Female, second foot, hooks on basal joint of endopodite. X 144. 



Fig. 11. Female, fifth feet. X 89. 



