718 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [18] 



EXPLANATION OF PLATES, 



PLATE I. 



Fig. 1. Ejrischura lacustris. Male. 



2. Same species, female. Fifth pair of legs. 



3. Same species, male. Fifth pair of legs. 



4. Same species. Mandible with palpus. 



5. Same species. Fourth pair of legs. 



6. Diaptomus sicilis. Female. Fifth pair of legs. 



PLATE II. 



Fig. 7. Ejrischura lacustris. Abdomen of male. 



8. Cyclops thomasi. Female. 



9. Cyclops gyrinus, n. sp. Female. 



10. Same species. Leg of first pair. 



11. Same species. Leg of fourth pair. 



12. Same species. Leg of fifth pair. 



PLATE III. 



Fig. 13. Leptodora hyalina (after Lilljeborg). m 



14. Cyclops gyrinus, n. sp. Female. Terminal joints of antenna. 



15. Cyclops edax, n. sp. Abdomen of female. 



PLATE IV. 



Fig. 16. Cyclops edax, n. sp. Leg of first pair. 

 17. Same species. Leg of third pair. 



18. Same species. Leg of fourth pair. 



19. Same species. Leg of fifth pair. 



