246 ' EXPLANATIONS OF PLATES. 



EXPLANATIONS OF PLATES. 



Plate VIL 

 Daphnia pulex. 



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



2. Caudal lamina and abdominal pi'ocesses of female x 5fi. 



3. Terminal ungnis of same mth apex of caudal lamina X 140. 



4. Male seen from right side x 27. 



5. , , lower margin of head with eye and attennule x 67. 



6. ,, ventral margin of sliell with shell gland (a) X 56. 



7. ,, caudal lamina and abdominal processes x 67. 

 Daphnia obtusa, var. propinqua, 



8. Head of female x 33. 



Daphnia hajviata. 



9. Female seen from left side X 33. 



10. Head of female x 5G. 



11. Yomig female X 27. 



12. Dorsal cephalic spines x 140. 



13. Head of male x 56. 



14. Abdomen and caudal lamin£e of male x 56. 



15. „ ,, of female x 40. 



16. Terminal unguis and spines of caudal lamina X 140. 



17. Pftrt of basal joint of antenna X 200. 



D^lPHNIA LACUSTEIS, Var. \'ICINA. 



18. Female seen from right side X 27. 



19. ,, abdomen and caudal lamina X 56. 



20. ,, unguis of post-abdomen x 140. 



21. Young female seen from right side X 27. 



Plate VIIL 

 Dactylura pubescens. 



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



2. Autennule of male X 67. 



3. Foot of first pair x 67. , 



4. Caudal lamina X 67. . 



5. Unguis and apex of caudal lamina X 165. 



6. Outline of female seen from right side x 27. 

 (a) spines of shell margin X 67, 



