Plate 122. 



Figs. 1-7. Diiiperoecia lohuhitu, new species (p. 742). 



1. Au incrustiiig symiuetrk-al zoariuiii, X 12. 



Middle Jacksonian : Rich Hill, Crawford Count.v, Georgia. 

 Cat. No. 65426, U.S.N.M. 



2. Another zoarium, X 25, with protoeciuni brolien. 



3, 4. A specimen showing the ovicell and ancestrula, X 12, and porrion, X 25. 

 5, 6. Two zoarial aspects, X 12. 



7. An elongated lobe, X 12, showing three successive ovicells. 



Middle Jacksonian (Castle Hayne limestone) : Wilmington, North Carolina 

 Cat. No. 65427, U.S.N.M. 

 Figs. 8, 9. Diaperoccia lohuluta pan-iiiora. new variety (p. 74.S). 



8. The incrusting zoarium with small peristomes, X 12. 



9. Portion of the same, X 25, showing the phenomenon of rejuvenescence. 

 Middle Jacksonian : Near Lenuds Ferry, South Carolina. 



Cat. No. 65428, U.S.N.M. 

 Figs. lO-l.?. Plagioccia lawcUosa, new species (p. 714). 



10. Group of the unilamellar zoaria, natural size. 



11. Specimen with the ovicell not parallel to the zoarial margins, X 12. 

 12, 13. Zoarium with incomplete ovicell, X 12 and portion, X 25. 



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

 Cat. No. 65429, U.S.N.M. 

 Figs. 14-16. Dvplosoleii planum, new species (p. 747). 



14. The free bilamellar zoarium, natural size. 



15. Photograph of the type-specimen, X 12. 



16. Surface, X 2.5, showing the rather indistinct tubes and tubules. 

 Middle Jacksonian : Near Lenuds Ferr.v, South Carolina. 



Cat. No. 65430, U.S.N.M. 



123 



