124 



MB. THOMAS SCOTT ON THE 



Fig. 7. Herpetocypris dubia, lateral view, enlarged. 



8. ,, „ dorsal view, enlarged. 



9. „ „ one of the antennules, enlarged, 



10. „ „ one of the antennas, enlarged. 



11. „ ,, post-abdomen, enlarged. 



12. Fontocypris hyperborea, lateral view, X 40. 



13. , ,, dorsal view, X 40. 



14. „ „ ventral view, X 40. 



15. ,, „ end view, X 40. 



16. Metridia longa, fifth pair of thoracic feet {^ , right foot), enlarged. 



17. „ ,, „ „ „ ( c? , left foot), enlarged. 



18. Oithona similis, one of third pair of thoracic feet (5 ), enlarged. 



19. „ „ one of fourth pair of thoracic feet ( 5 ), enlarged. 



Plate 5. 



Fig. 1, Bactyloptis tenuiremis, one of the antennules, X 253. 



2. „ „ posterior foot-jaw, X 253. 



3. „ „ oneof the first pair of swimming-feet, X 253. 



4. „ „ one of the fifth pair, X 190. 

 6. „ longirostris, one of the antennules, X 253. 



„ posterior foot-jaw, X 253. 



„ one of the first pair of swimming-feet, X 253. 



„ one of the fifth pair, X 190. 



9. „ Stroma, var. arcticus, female, lateral view, X 27. 



10. „ „ „ one of the antennules, X 127. 



11. „ „ „ posterior foot-jaw, X 253. 



12. „ „ „ one of the first pair of swimming- 

 feet, X 127. 



13. „ „ ' „ one of the fifth pair, X 95. 



14. Delavalia arctica, posterior foot-jaw, X 380. 



15. Enhydrosoma curvatum, one of the fifth pair of feet, X 380. 



I Plate 6. 



Fig. 1. Cyclops Brucei, female, dorsal view, x 27. 



2. „ „ one of the antennules, X 95. 



3. „ „ one of the first pair of swimming-feet, enlarged, 



4. „ „ one of the fourth pair, enlarged. 



5. „ ,, one of the fifth pair, enlarged. 



6. „ „ abdomen and caudal furea, enlarged. 



7. Delavalia arctica, female, dorsal view, X 27. 



8. ,, „ one of the antennules, X 95. 



9. ,, one of the first pair of swimming-feet, X 127. 



10. ,, „ one of the fourth pair, x 63. 



11. „ „ one of the fifth pair, X 95. 



