PLATE IX. 



Figs. 1-6. Schizopathes affinis, n. sp. 



Diam. 



Fig. 1. The whole corallum, showing isolated degenerate zooids on the 

 lower portion of each branch ; one-half natural size. 



Fig. 2. Apical portion of a branch, bearing crowded dimorphic zooids above 



and more isolated ones below, . . . . . x 2 



Fig. 3. Two triplets of dimorphic individuals, seen from above, showing the 



mouth in each gastrozooid, . . . . . x 4 



Fig. 4. Portion of a branch, showing the arrangement of the spines, . x 13 



Fig. 5. Sickle-shaped base of the corallum, seen from the side, . . x 2 



Fig. 6. Middle portion of a sickle-shaped base, showing three rows of acute 



spines, . . ... . . . . x 9 



Figs. 7-10. Bathypathes alternata, n. sp. 



Fig. 7. Outline of a specimen attached to a stone ; one-half natural size. 



Fig. 8. Apical portion of the corallum, bearing isolated dimorphic zooids ; 

 natural size. 



Fig. 9. Portion of a branch, showing the position of the zooids, . . x 2^ 



Fig. 10. Portion of a branch, showing the arrangement of the spines, . x 13 



