340 PEOFESSOE P. M. DUNCAN ON THE 



Species. 

 No. 57. Lophohelia prolifera, Amphihelia ooulata, Ampidhelia ramea, Caryophyllia olavus, var. a, Caryophyllia 



clavus. 

 67. Amphihelia ooulata, var. 



A. B. Guynia annulata, ParaoyathuB striatus, Caryophyllia clavus, var. 

 C. T. Caryophyllia clavus. 

 M. c. of A. ParacyathuB striatus, Caryophyllia clavus, var. borealis, Caryophyllia clavus, var. smithi, 



Caryophyllia clavus, var. elougata, DesmophyDia crista-gaUi. 

 Cape Sagras and Tangier Bay. Sphenotroohus intermedius. 



Seven m. E. C. Caryophyllia olavus, var. borealis and var. (i, Paraoyathus striatus. 

 Carth. Bay. Caryophyllia olavus, var. fS. 

 M. T. C. Caryophyllia clavus, var. smithi. 



DESCKIPTION OF THE PLATES. 



PLATE XXXIX. 



Figs. 1-13. Flabellum distinctum, Ed. & H. 



Fig. 1. Part of the calice, magnified. 



Fig. 2. Front view of corallum. 



Fig. 3. Side view. 



Fig. 4. Calice. 



Figs. 5, 6, 7, 8, 9, 10, 12, 18. Front and upper views of specimens, showing variation 



in form. 

 Fig. 11. Septa of Flabellum laciniatum. 



Figs. 14, 15. Calicular end, nat. size and magnified, of Flabellum laciniatum. 

 Figs. 16-18. Front view, nat. size and magnified. 



PLATE XL. 

 Figs. 1-4. Caryophyllia abyssorum. 



„"i-CostBe, magnified, 

 lig. 2. J 



Fig. 3. Corallum, nat. size. 



Fig. 4. Calice, magnified. 



Fig. 5. Costse, magnified, of Caryophyllia cyUndracea. 



Fig. 6. Costse, lower end of, „ 



Fig. 7. Corallum „ 



Fig. 8. Calice, magnified, „ 



Fig. 9. Costae, magnified, of a variety of Caryophyllia cyUndracea. 



Fig. 10. Lower end „ „ 



Fig. 11. Corallum, nat. size, „ " „ 



Fig. 12. Calice, magnified, „ „ 



