79 



retained by Solander. Their distinctive character is, that 

 their polypiferous cells are really terminal ; the extremity 

 of the stem, or of each branch, being terminated by a single 

 lamellated star. 



Under this genus are placed : — 



I. Those with simple stems, solitary or fasciculated. 



1. Car. Cyathus. Mad. Cyathus. — Sol. and Ellis, Tab. xxviii, 



fig. 7 ; Organic Remains, ii. PI. iv. fig, 1. 

 Fossil. 



2. — Calycularis. Mad. — Lin. Esper. Tab. i. fig. 16. 



Fossil. 



3. — truncularis. — Aggregated; with thick cylinders, externally 

 reticulated and connected by a lamellated crust, with radiating stars 

 and a striated edge. 



Recent. 



4. — fasciculata. Mad. fascicularis. — Lin. Sol. and Ellis, Tab. xxx. 



Well preserved fossil specimens of this coral are found in the 

 transition limestone of Gothland. 

 Fossil. 



5. — astreat'a. Mad. musicalis. — Esper. i. Tab. xxx. fig. L 



6. — musicalis. Mad. musicalis. — Lin. 



Fossil in the mountain limestone of Ireland. 



IL Those with divided stems or ramified. 



7. — fiexuosa. Mad. — Lin. Sol. and Ellis, Tab. xxxii. fig. 1 ; Or- 



ganic Remains, ii. PL vi. fig. 8. 

 Fossil in the mountain limestone of the neighbourhood of 

 Bristol. 



8. — ' cespifosa. Mad. jiexuosa. — Sol. and Ellis, Tab. xxxi. fig. 5, 6. 



9. — anthophyllum. Mad. anthophyllites. — Sol. and Ellis. Tab. xxix. 



10. — cornigera. Mad. ramea, var. — Esper. i. Tab. x. 



11. — ramea.- Mad. — Lin. Sol. and Ellis, Tab. xxxviii. 



12. — fastigiata. Mad. — Sol. and Ellis, Tab. xxxiii. 



13. — angulosa. Mad. — Esper i. Tab. viii. 



14. — sinuosa. Mad. angulosa. — Sol. and Ellis, Tab. xxxiv. 



15. — carduus. Mad. — Sol. and Ellis, Tab. xxxv. 



