36 THE FOSSIL COEALS AND 



Locality. Jhirk, from lowest fossiliferous beds of the Eanikot group. Survey 

 number G f|f„. 



Illustrations of the Species in Plate III. 



Fig. 12. The coral : natural size. 



13. The calice : magnified. 



14. The costse : magnified. 



Genus FEDDENIA, Ihmcan. 



The corallum is simple, free, with an irregular- shaped base^ which has enclosed a 

 foreign body. The epitheca is granular, and occasionally like broken mosaic. The 

 costee may or may not be universally visible, and are continued to the base, but not 

 invariably to the peduncle. The calice, usually constricted, is crowded with unitiag 

 septa, ending in paliform lobes ; it is without columella. The endotheca is scanty, 

 but the granules of the septa unite here and there as false synapticulse. 



1. Feddenia ttpica, Duncan. Plate XI, Figs. 1-3. 



The corallum is free, compressed, and Phrygian-cap-shaped, and the projecting 

 part of the base is marked with the openings for the shell it surrounded. The 

 calice is oval, deep, with a faintly irregular margin and a small elongate axial space, 

 which is bounded by the paliform ends of the largest septal groups, which are ten in 

 number. There is no columella. At the margin, the costal edge is festooned, two 

 projecting costse ending in a large septum, and having seven between them. The pro- 

 jecting costo-septa have, on either side, a minute septum of a high order, which is taller 

 than the others. There are five cycles of septa ; and the larger lamiuse are thick, often 

 much curved, and have protecting granules and ridges. The next in size project less, and 

 are also curved ; whilst the smallest septa are largely granular, and unite by their 

 granules with the others, besides uniting laterally with a larger_septum. The paliform 

 ends are wavy, broken-looking, and broad. 



The costse are subequal and exist near the calice, the larger, with the two lateral 

 costse, forming prominences for some little distance straight down the outside. Else- 

 where they are covered with the epitheca. 



Height of corallum ^ inch. 



Length of calice ^ inch. 



Locality. Three miles west of Lynyan, Eanikot series. Survey-number G -rle*- 



Illustrations of the Species in Plate XI. 



Fig. 1. Side view of the corallum : natural size. 



2. The calice (part of) : magnified. 



3. The costse and epitheca : magnified. 



Feddenia ttpica, Bwncan. Variety 1. Plate XI, Figs. 4, 5. 



In this variety the same general shape of the corallum exists. The septa are 

 larger and very largely granular. The costse are large near the calice, which is ellip- 



