PLATE XXVII. 



Figs. i — 9. Scottocalanus helenae (Lubbock). 



Fig. 1. Male, dorsal view. X 23,5. 



Fig. 2. Male, head, lateral view. x 23,5. 



Fig. 3. Male, last thoracic and first abdominal segments. X 23,5. 



Fig. 4. Male, rostrum. X 181. 



Fig. 5. Male, antennule. X 23,5. 



Fig. 6. Male, first maxilliped, distal portion. X 181. 



Fig. 7. Male, second foot. X 60. 



Fig. 8. Male, fourth foot. X 60. 



Fig. 9. Male, fifth feet. X 60. 



Figs. 10 — 18. Scottocalanus persecans (Giesbrecht). 



Fig. 10. Male, dorsal view. < 23,5. 



Fig. n. Male, head, lateral view. X 23,5. 



Fig. 12. Male, last thoracic and first abdominal segments. X 23,5. 



Fig. 13. Male, rostrum. • 181. 



Fig. 14. Male, antennule. ■ 23,5. 



Fig. 15. Male, first maxilliped, distal portion X 181. 



Fig. 16. Male, second foot. • 60. 



Fig. 17. Male, fourth foot. X 60. 



Fig. 18. Male, fifth feet. X 60. 



