
EXPLANATION OF PLATE II. 
Figs. 1, la.  Trochocyathus rotulus x 2. 
Wig. 2. Desmophylium vitreum, natural size. 
Figs. 2a, 2b. Desmophyllum vitreum, x 2. 
Pigs, 3, 3a, 86. Flabellum paripavoninum, natural size. 
Figs. 4, 4a.  Flabellum laciniatum, Phil., natural size. 
Figs. 5, 5a.  Thecocyathus cincticulatus, X 3. 
Ligs. 6, 6a.  Stephanotrochus nitens, natural size. 
