Proc. R. I. Acad., Vol. XXVIII., Sect. B. 



Plate X. 



Fiff. 51 



Fig;. 53 



Wig. 56 



» 



Fiff. 53 



Fig. 55 



Fiff. .54: 



I'i"-. •>: 



SiMi'SON— Gorgonellidae. 



