20 THE FOSSIL COEALS AND 



Illustrations of the Sjaecies in Plate I. 



Fig. 14. The corallum : natural size. 

 15. Costee : magnified. 



A second specimen has the corallum straight. 



Height of the corallum yq inch. 



Breadth of the calice ^^ inch. 



Locality. Barki nala, north of Eanikot, Laki range. Survey-number G |f ^. 



Illustrations of the Species in Plate I. 



Fig. 16. Side view of the corallum. 

 17. Costse: magnified. 



2. Smiloteochus Blanfoedi, Duncan. Plate I, Figs. 18-21. 



The corallum is tall, wedge-shaped, greatly compressed, presents a very small 

 oval scar of former adhesion at the base, and is more or less bent ; it has a long, narrow, 

 shallow calice, which is horizontal, the margins being wavy, and the rounded sides of 

 the corallum form an angle at the base of from 30° to 45°. Marked with growth-rings, 

 which often resemble a linear epitheca ; the outside has very numerous small costae, 

 which project but little, are narrow, alternately large and small, and one in every four 

 is the largest. An indistinct broad, flat granulation exists on them. The central fossa 

 of the long, elliptical calice is linear and deep. The septa are about 200 in number, 

 and in large calices they are arranged as multitudes of little systems of fours and twos ; 

 they are short, unequal, straight, sometimes exsert, but not invariably, and those nearest 

 the centre have a small swelling at their inner end. 



Near the base, in large specimens, transverse sections show that some of the large 

 septal ends unite side by side to form a false columella with an axial space ; higher 

 up this does not take place. There are no dissepiments. 



Height of the corallum yq to yq inch. 



Length of the calice about 1 inch ; breadth of the calice not quite ys inch. 



Locality. Cardita-Beaumonti beds, Barah, Laki range. Survey-number G ■^^. 



The specimens are crowded together in a fine sandy matrix of a light brown tint, 

 reddish on. wetting, and are in a perfect condition. There are evidently no pali, endo- 

 thecal structures, or true columella ; and the genus is therefore Smilotrochus. In shape 

 it recalls Trochocyathus Van den HecJcei, Ed. & H., when it is not bilobed ; and it has 

 no aflninities with any European Cretaceous form, being very Eocene in its facies. 



Illustrations of the iSpecies in Plate I. 



Fig. 18. Side view of the corallum : natural size. 



19. The calice: natural size. 



20. Costse : magnified. 



21. Part of the calice : magnified. 



