FRESHWATER CRUSTACEA OF TASMANIA. 91 



Fig. 10. Third uropod of Neoniphargus wellingtoni. 



11. Telson of ditto. 



12. Terminal joint of 3rd pereiopod of ditto. 



13. First antenna of N. alpinus. 



14. Third uropod of ditto. 



15. Telson of ditto. 



16. Terminal joint of 3rd pereiopod of ditto. 



17. First antenna of Gammarus antipodeus. 



18. Third uropod of ditto. 



19. Telson of ditto. 



20. Gnathopod of 2nd pair of ditto. 



21. Fourth coxal plate of ditto. 



22. First maxilla (left) of ditto. 



23. First antenna of G. ripensis. 



24. Third uropod of ditto. 



25. Telson of ditto. 



26. Gnathopod of 2nd pair of ditto. 



27. First maxilla (left) of G. australis. 



Plate 15. 



Fig. 1. First antenna of N. niger. 



2. Third uropod of ditto. 



3. Second gnathopod of ditto. 



4. Telson of ditto. 



5. Simocephalus dulvertonensis. x 56. 



6. First antenna of ditto. 



7. Telson of ditto. 



8. Head of first antenna of S. australiensis. 



9. Telson of ditto. 



10. Ceriodaplmia hakea. X 92. 



11. First thoracic limb of ditto. 



12. Second thoracic limb of ditto. 



13. Third thoracic limb of ditto. 



14. Telson of ditto. 



15. Second antenna of ditto. 



16. Mandible of ditto. 



17. Ceriodaplmia planifrons. x 92. 



18. Bosmina rotunda, x 90. 



Plate 16. 



? ig. 1. Bosmina brevirostris, ? . x 125. 



2. Bosmina sorelli, ? . x 125. 



3. Macrothrix burstalis, ? . x 125. 



4. Alonella nasuta, ¥ • X 125. 



5. Telson of ditto. 



6. Alonella propinqua, ?. x 125. 



