ON SOME AUSTRALIAN CLADOCERA. 
Fig. 5. Acroperus sinuatus x 65 
» 6. Tail-piece of Acroperus sinuatus x 303 
Pirate XLI. 
Fig. 7. Alona wallaciana x 100 
» 9. Tail-piece of Alona wallaciana x 243 
9. Alona kendallensis x70 
» 10. Tail-piece of Alona kendallensis x 240 
» Ll. Alona longirostris x 85 
,, 12. Tail-piece of dlona longirostris x 150 
Puate XLII. 
Fig. 13. Pleuroxus reticulatus x 178 
» 14. Tail-piece of Plewroxus reticulatus x 265 
» 15. Chydorus denticulatus x 80 
5, 16. Tail-piece of Chydorus denticulatus x 300 
» Liv. Chydorus clelandt x 87 
18. Tail-piece of Chydorus clelandt x 335 
485 
