Plate 112. 



Figs. 1-S. Lagonoecia lameUifera, new species (p. 792 1. 



1. Three fragments, natural size of tlie Idmonea like zoariuni. 



2. Branch, X 12, with transverse fascicles. 



3. Reticulate zoarium, X 12, showing a broken ovicell, formed after tlie calcification of 



the neighboring tubes. 



4. Anterior face of a bifurcated zoarium, X 12. 



5. Posterior face of the same example, X 12. 



6. Reticulate zoarium, X 12, showing the ovicell placed above a bifurcation and the tri- 



angular zone of growth. 



7. View of branch, X 12, showing the ovicell suspended on the lateral edge. The 



oeciostorae is visible at the top. 



8. The fascicles are transverse, X 12. 



Wilcoxlan (Bashi fornmtion) : Woods Bluff, Alabama. 

 €at. No. 65264, U.S.N.M. 

 Figs. 9-12. Plagioccia tuhlfer, new species (p. 711). 



9. Fragment of tubular, ovicelled zoarium, X 12. 



10. A free zoarium with its tubular expansions, X 5. 



11. Zoarium, X 12, incrusting a shell and showing (to the left) the base of a tubular ex- 



pansion. 



12. Portion of the same specimen, X 25. 



Wilcoxian (Bashi formation) : Woods Bluff, Alabama. 

 Cat. No. 65265, U.S.N.M. 

 Fig. 13. Tcrchripara, species (p. S42). 



The incomplete specimen. X 20, upon which this identification is based. 

 Midvvayan (Porters Creek formation) : ", miles north of Scooba, Mississippi. 

 55899— 20— Bull. 106. Vol. 2 15 113 



