EXPLANATIONS OP PLATES. 247 



7. Autemia x 33, 



8. Abdomen and caudal lamina of female x 33. 



9. Unguis of caudal lamina x 140. 



10. Reticulation of shell x 67. 



20. Antennule of female x 140. 



Daphxia loxgispina. 



11. Male seen from right side x 37. 



12. Antennule of male x 175. 



13. Caudal lamina of male x 140. 



14. Female seen from right side x 27. 



15. ,, head with antennule X 56. 



16. ,, caudal lamina x 56. 



17. ,, terminal unguis X 140. 



18. Antenna X 56. 



19. Ephippial female from right side x 33. 



Daphnia obtusa, var. pkopixqua. 



21. Yoimg female seen from right side X 37. 



22. ,, caudal lamina x 140. 



Plate IX. 



DaPKSIA SCHOEDLEIil. 



Fig. 1. Female seen from right side x 27. 



2. ,, abdomen and caudal lamina x 56. 



3. ,, terminal unguis x 140. 



4. Shell structure x 140. 



Daphnia obtusa. 



5. Female seen from right side x 27. 



6. ,. caudal lamina x 56. 



7. Male seen from left side x 56. 



8. „ antennule x 140.' 



9. , , caudal lamina x 80. 



Daphnia galeata. 



10. Female seen from right side x 27 (Windermere). 



11. ,, caudal lamina X 56. 



12. „ terminal unguis X 140. 

 13-17. Various forms of head x 37. 



13. 14 Windermere, 15 Lough Melvin, 

 16 Loch Acchray, 17 Loch Oich. 



