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



Plate I. 



Fig. 1 — 7. Acortia macropus Cl. 



1. Outline of the male, dorsal X 85. 



2. Outline of the feraale, dorsal X 85. 



3. Left anterior antenna of the male X 170. 



4. Right anterior antenna of the male X 170. 



5. Fifth foot-pair of the male X 170. 



G. Fifth foot of the female X 300. 



7. Head of the male, lateral X 170. 



8 — 11. Corycceus lorifjicandis Dana, male. 



8. Outline, dorsal x 85. 



9. Outline, lateral X 85. 



10. Abdomen and furca, dorsal X 170. 



1 1 . Posterior antenna X 500. 



