Plate 77. 



Figs. 1-7. IloloporeUa diiiiiirornis, uew species (p. 609). 



1-3. Three views of zoaria. natural size, showing the horn-like protuberance. 



4. Usual aspect of the zooecial surface, X 20. 



5. Zooeeia, X 20, with the umbo undeveloped. Several iuterzooecial avicularia are 



present. 



6. Zooeeia, X 20, with broken umbo. 



7. Transverse thin section. X 20, showing the cumulation of the zooeeia. 

 Jacksouian (Zenglodou zone) : Cocoa Post Office, Choctaw County, Alabama. 



Cat. No. 64222, U.S.N.M. 

 Figs. S-ll. Haloporella pisiformis, new species (p. 608). 



8. Three of the small, globular zoaria, natural size. 



9. Zooeeia, X 20, some of which have two apophyses, separated by a rimule. 



10. Zooeeia, X 20, with the ajiophyses sometimes joined, forming a spiramen. 



11. Zooeeia with a salient mucro, X 20. 



Middle Jacksoniau (Castle Hayne limestone) : Wilmington, North Carolina. 

 Cat. No. 64223, U.S.N.M. 

 Figs. 12-21. Kleidionella cristata, new species (p. 620). • 



12. A zoarium. natural size, restored from fragments. 



13. View of young zooeeia, X 20. 



14. A young branch, X 20, formed of oriented zooeeia. 



15. Oriented and cumulate zooeeia, X 20. 



16. View of the cumulate zooeeia, on the median crest, X 20. 



17. Cumulate zooeeia at the base of a zoarium, X 20. Several iuterzooecial avicularia 



are present. 

 IS. Edge of frond, X 20, with iuterzooecial avicularia. 



19. Portion of a branch with the median crest, X 20, showing several ovicelled zooeeia. 



20. Tangential thin section, X 20. 



21. A portion of the same, X 100, showing olocystal nature of the frontal. 

 Middle Jacksoniau: Near Leuuds Ferry, South Carolina. 



Cat. No. 64224, U.S.N.M. 

 7S 



