MADREPOEABIA OF THE DEEP SEA. 343 



Fig. 3. Calice, magnified. 



Fig. 4. Amphihelia ramea. 



Fig. 5. Ornamentation of the corallite.s, magnified. 



Fig. 6. Calice magnified. 



PLATE XLVI. 



Corallites of varieties of Amphihelia ramea. 



Fig. 1. ^ 

 Fig. 3. 

 Fig. 6. 

 Fig. 8. 

 Fig. 11. 

 Fig. 14. 

 Fig. 17. , 



The other figures represent magnified views of branches, of ornamentation and calices. 



PLATE XLVII. 



Figs. 1 & 5. View of corallum of a species the genus of which is doubtful. 



Fig. 2. Side view, magnified. 



Fig. 3. Calicular surface, magnified. 



Fig. 4. Base, magnified. 



Figs. 6 & 7. Base and calice of another specimen, magnified. 



Fig. 8. Costse, magnified. 



Fig. 9. ] 



Fig. 11. }• Corallites of Guynia annulata. Figs. 11 & 13. On shells. 



Fig. 13. J 



Fig. 10. 1 . 



„. ,„ I Side view, magnified. 



tig. Iz. J 



Fig. 14. Corallum adherent by its side, magnified. 



Fig. 15.1 ^ ,. .,. , 



,-.- -. r, \ t ahce. magnified, 

 tig. Id. J 



Fig. 17. Group of Rhizotrochus affinis. 



Fig. 18. Corallum, slightly magnified. 



Fig. 19. Calice, magnified. 



PLATE XLVIII. 



Fig. 1. Corallum o{ Bathycyafhus atlanticns. 

 Fig. 2. Calice, magnified. 



Fig. 3. Corallum of CaryophylUa cyatJins, variety u. 

 Fig. 4. Calice, magnified. 



Fig. 5. Corallum of CaryophylUa claims, var. exserta. 

 Fig. 6, „ ,. var. lorealis. 



VOL. viii. — PAET v. March, \&1'6. 3 c 



