P. T. CLEVE, NOTES ON SOME ATLANTIC PLANKTON-ORGANISMS. 



Plate III. 



Fig. 1 — 11. Oncaa subtilis Giesbr. Male. 



» 1. Outline, dorsal X 170. 



» 2. Outline, lateral X 170. 



» 3. Left anterior antenna X 500. 



4. Kight anterior antenna X 500. 



5. Abdoraen and furca, dorsal X 300. 



6. Furca, dorsal x 500. 



» 7. Abdoraen and furca, lateral X 300. 



8. Posterior maxillipede X 500. 



9. Posterior antenna X 500. 



10. Second toot X 500. 



11. Fourth foot X 500. 



12. Anttiocyrtium anthemis Hkl.? X 500. 



13. Sethoconus crinitus Cl X 500. 



» 14, 15. Challengeron brevispina Cl X 500. 



16. Euphysetta pusilla Cl X 500. 



» 17. Spermatogonia antiqua Leud. Fortm X 500. 



18. Sperm. ant. central capsule(?), trcated with soda X 500- 



