2. 

 3. 

 4. 

 5. 



Plate II. 



Enlarge- 



Fig. 1 — 5. Acrocalanus gibber G-iesbk., female. ™^"*- 



1. Oiitline (lateral) 40. 



Natatory leg of the 1st pair 150. 



» » 2nd pair 150. 



» » 3d pair 150. 



» » 4th pair 150. 



6 — 1(5. Acrocalanus gibber GtIESBR., male. 



6. Outline (lateral) 40. 



7. Right aiitenaa of the 1st pair 150. 



8. Antenna of the 2iid pair 270. 



9. Mandible 270. 



10. Maxilla 500. 



11. Maxilliped of the 2iid pair 270. 



12. Natatory leg of the 1st pair 270. 



13. » » » » 2nd pair 270. 



14. » » » » 3d pair 270. 



15. » » » » 4th pair 270. 



16. Fifth pair of legs 500. 



17 — 23. Calanopia Aurivillii Cl., female. 



17. Outline (lateral) 40. 



18. Right antenna of the first pair 150. 



19. Antenna of the 2ud pair 150. 



20. Masticatory apparatus of the mandible 500. 



21. Mandible 150. 



22. Maxilliped of the 2ud pair 270. 



23. Maxilla 270. 



