PLATE I. 



Figs. 1-3. Antipathella minor, n. sp. 



Diam. 



Fig. 1. The whole corallum ; about three-tenths natural size (from a photograph). 



Fig. 2. Anterior surface of a branchlet, bearing five polyps, . . . x 6 



Fig. 3. Portion of a branchlet, showing the arrangement of the spines, . x 26 



Figs. 4-7. Antipathella assimilis, n. sp. 



Fig. 4. Apical portion of a colony; about two-thirds natural size (from a 

 photograph). 



Fig. 5. Portion of a branchlet and two pinnules, showing the arrangement of 



the polyps, . . . . . . x 6 



Fig. 6. Middle portion of a branchlet, showing the arrangement of the spines, x 26 



Fig. 7. Apical portion of a branchlet, showing the thickened spines, . x 26 



Figs. 8-11. Antipathella contorta, n. sp. 



Fig. 8. View of one of the smaller branches and its subdivisions as seen from 

 the posterior surface ; about two-thirds natural size (from a 

 photograph). 



Fig. 9. Portion of a small branchlet, bearing five polyps, . . x 6 



Fig. 10. Reticulum from the lower portion of a specimen, after treatment 

 with caustic potash ; about natural size (from a photograph). 



Fig. 11. Portion of a branchlet, showing the arrangement of the spines, . x 26 



