Plate 142. 



Figs. 1-11. Filisp<ii;iii falhi.r, new species (p. 003i. 



1. Fragments of the filiform zoariura, natural size. 



2. Triserial branch, X 25, very abundant at this Iiorizon. 



3. Biserial branch, X 25. 



Vicksburgian : One mile nortli of Monroeville, Alabama. 

 Cat. No. 6.5325, U.S.N.M. 

 4, 5, 6. Small l>iserial branches. X 12. . . 



7. Triserial branch, X 12. 

 8, 9. Dorsal of small biserial branches, X 12. 



10. Dorsal, X 25, showing tlie longitudinal and transverse striations. 



11. Transverse sections, X 25. 



Lower Jacksonian (Moodys marl) : Jackson, Mississippi. 

 Cat. No. 65326, U.S.N.M. 

 Figs. 12-21. Filispnr.ia iiiffeiin. new species (p. 604). 



12. Zoarial fragments, natural size. 



13, 14. Multiserial branches, X 12, showing the usual aspect. 



15. Dorsal, X 25, presenting large transverse wrinkles. 



16. Longitudinal thin section, X 25. 



17. Tangential thin section of the dorsal. X 100. Tlie structure is similar to that of the 



frontal. 



18. Tangential section of the frontal, X 100. 

 19, 20. Transverse tliin sections, X 12. 



21. View of interior. X 12, olitained liy the alirasion of the dorsal, showing characteristic 

 aspect of dorsal gemmation. 

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

 Cat. No. 05.327, U.S.N.M. 



143 



