96 



Fig. A". Longitudinal section through a portion ot 

 a branch showing the embryos (e) in situ ; a. axis ; 

 p. polyps. 



Fig. A"'. Spicule of G. capensis x 400. 



Fig. B. Two spicules of Gorgonia flanimea (E. and 

 S.) X 250. 



Fig. C. Spicule of Eunicella papillosa Esp. x 350. 



Fig. D. Triradiate spicule of Juncella elongata 

 (Val.) X 100. 

 Plate VI. Fig. A. Fragment of Primnoisis capensis 

 (Studer) slightly enlarged. 



Fig. A'. The same x 17, to show the general appear- 

 ance of the surface of the coenenchym and the 

 arrangement of the spicules on polyps. 



Fig. B. A piece of a terminal branch of Melitodes 

 dichotoma considerably enlarged, to show the form 

 and arrangement of the young polyps. 



Figs. C, C, and C". Spicules of Sarcophytum trochi- 

 forme. C x 660. C x 340, C" x 560. 



\^Published 20th October, 1900.] 



