BY THOS. STEEL. 631 



5. Dendy, A., Trans. Royal Soc. Victoria, Melbourne, 1891. 



6. Proc. Royal Soc. Victoria, Melbourne, 1S93. 



7. Report Australian Assoc. Adv. Sc , Vol. iv., 1892. 



8. Report Australian Assoc. Adv. Sc, Vol. v., 1893. 



9. Spencer, W. Baldwin, Proc. Royal Soc. Victoria, 1S90. 



10. Graff, L. vox, Monog. der Turbellarien. ii.Tricladida Terricola (Land- 

 planarien), Leipzig, 1899. 



EXPLANATION OF PLATE XLI. 



-Geoplana Dorei, n.sp. Dorsal aspect (nat. size). 

 ,, lyta, n.sp. Dorsal aspect ( x 2). 

 ,, Tasmaniana (Darwin). Dorsal aspect ( x 2). 

 ,, ,, ,, Ventral aspect of another in- 



individual showing double pharyngeal tube ( 2). 

 ,, Tasmaniana (Darwin), var. fiavicincta, n.var. Dorsal 



aspect ( x 2). 

 ,, Mortoni, Dendy. Dorsal aspect showing opening caused 



by exit of egg-capsule ( x H). 

 ,, Morto)ii, Dendy. Dorsal aspect, banded form ( x H). 

 ,, diemenensis, Dendy. Dorsal aspect ( x 1|\ 

 The outline beneath each figure represents the section of the body at 

 middle. 



