248 
Fig. 17. 
Fig. 18. 
Fig. 19. 
Fig. 20. 
Fig. 21. 
Fig. 22. 
Fig. 23. 
Fig. 24. 
Fig. 25. 
Fig. 26. 
Fig. 27. 
Fig. 28. 
Fig. 29. 
Fig. 30. 
Plate XIX 
Cyclops Ion gist ylis ? 
Female seen dorsally. x 84. 
Urosome. x 180. 
Foot of fourth pair, male, x 240. 
Foot of first pair, x 240. 
Posterior antenna. x 240. 
Anterior antenna. x 240. 
Last thoracic segment and fifth pair of feet. 
Diaptomits nigerianus 
Part of anterior antenna of male, x 140. 
Urosome of female, x 140. 
Posterior maxilliped. x 140. 
Foot of fifth pair, female, x 18c. 
Last thoracic segment, female, x 140. 
Female seen laterally, x 65. 
Fifth pair of feet of male, x 140. 
x 300. 
