PLATE II. 



Figs. 1-4. Cladopathes plumosa, n. sp. 



Diara. 



Fig. 1. One of the plumose branches clothed with polyps and coenenchyma ; 

 about two-thirds natural size (from a photograph). 



Fig. 2. Portion of a branchlet, showing three triplets of dimorphic zooids, x 6 



Fig. 3. Part of the corallum, after treatment with caustic potash, showing 

 the mode of branching ; about three-fifths natural size (from a 

 photograph). 



Fig. 4. Portion of a branchlet, showing the arrangement of the spines, . x 26 



Figs. 5-7. Antipathella speciosa, n. sp. 



Fig. 5. Corallum covered with a membranous film, soluble in caustic potash ; 

 about one-sixth natural size (from a photograph). 



Fig. 6. Apical portion of the corallum, after treatment with caustic potash, 

 showing the mode of branching ; natural size. 



Fig. 7. Portion of a branchlet, showing the arrangement of the spines, . x 26 



Fig. 8. [Antipatlies] sp>inescens, Gray. Three branches ; natural size. 



Fig. 9. [Antipatlies] spinescens, var. minor, nov. A branch and its subdivi- 

 sions ; natural size. 



Fig. 10. Antipathella barbadensis, n. sp. One of the lower branches, 

 bearing two simple branchlets near the base ; natural size. 



Fig. 11. Par antipatlies hirta (Gray). One of the lower branches and its 

 subdivisions ; natural size. 



Fig. 12. [Antipatlies] spinosa (Carter). Portion of a branchlet, showing the 



arrangement of the spines, . . . . x 26 



