DESCRIPTION OF PLATE XXVI. 
All the ligures refer to Phreatoicus austral**. 
Fig. 1. First pleopod, x 19. 
•> 2. Second pleopod of male showing the “ penial filament,” x 19. 
.. 3. Third pleopod, x 19. 
4. Fourth pleopod showing the parasitic (?) growths at a, x 19. 
,, 5. One of the latter, x 180. 
„ 6. External organ of male, x 45. 
Reproduced by G. H. Barrow of the Australian Museum, from original 
drawings by the author, Chas. Chilton, and printed by Heliotype.] 
