EXPLANATION OF PLATE XIII. 



Fig. I. — Astrocladus dofleini, Doderlein. 

 Upper surface of disc, 



,, 2. — Trichaster palmiferus (Lamarck). 



Lateral view of an inter-brachial space, X i^- 



,, 3. — Trichaster elegans, Ludwig. 



Lateral view of an inter-brachial space, X 2. 



,, 4. — Trichaster elegans, Ludwig. 



Entire animal : dorsal view, X |. 



