PLATE XV. 



Figure 1. Astroccenia Blanfokdi, nobis. The eoralluin, side view, natural size. 



2. The corallum, from aboye. 



3. A part of the base, magnified slightly. 



4. Calices, magnified. 



5. A dentate septum, magnified slightly. 



6. Styloccenia Ranikoti, nobis. Natural size. 

 t . The calices, slightly magnified. 



8. The calices, more magnified. 



9. A side view of a septum, magnified. 



10. AsTROcffiNiA NANA, Rcuss. A part of the corallum. 



11. Calices, magnified. 



12. Stylophoka pulchekrima, D'Achiardi. Surface of the coraUum, slightly magnified. 



13. Calices and intermediate tissue, magnified. 



14. Stephanoc(enia MicROTTJBEECTJLATA, nobis. A part of the corallum. 



15. Calices, magnified. 



16. A calice with an aborted columella, magnified. 



