Plate 8. 



Figs. 1, 2. Galeopsis ? convexus, new species (p. 511). 



1. Frasmeut of the bifolinte zoariuni, X 20. illust fating (he occui-reuce of the ascopore 



and aviciUarhi. 



2. Another specimen, X 20, with ovicelled zooecia. 



MiOwa.van (Chi.vton limestone): 1 mile west of Fort Gaines, Georgia. 

 Cat. No. 0.3820, U.S.N.M. 

 Figs. .",4. BalhoseUn nndata, new species (p. 406). 



3. Fragment of the free bilamellar zoaruim. natnral size. 



4. Surface of the type, X 20. The deeply embediled ovicell (broken) Is visible ou 



several zooecia. 

 Mldwayan (Clayton limestone) : 1 mile west of Fort Gaines, Georgia. 

 Cat. No. 03S27, U.S.N.M. 

 Figs 5.6. CijutheUit iiiicUramuiica Canu and Bassler, ]917 (p. 470). 



5. The inerusting zoarium. X 20. The zooecial spines and the frontal avioulariau 



chambers (broken) are visible. 



6. A small cluster of zooecia, X 20, some of which preserve the avicularia unbroken. 

 Midwayan (Clayton limestone) : Luverne, Crenshaw County, Alabama. 



Cat. No. 62606, U.S.N.M. 

 Figs. 7-10. Bnthoselhi cincicrans, new species (p. 405). 



7. The hollow cylindrical zoarium, natural size. 



S. Sketches of the aperture, X 72, showing variations in shape. 



9. Another view of the type-specimen. X 20. showing the zooecia at the base of a funnel 

 like structure. 



10. Surface, X 20, illustrating the avicularia, areolae, and the large abnormal zoi>ecia. 

 Midwayan (Clayton limestone) : Mabelvale. near Little Kock, Arkansas. 



Cat. No. 63828, U.S.N.M. 

 Figs. 11,12. Rhamphostomella si»ip/f.r, new species (p. 477). 



11. The inerusting zoarium, X 20, showing region around aneestrnla. 



12. Another zoarium, X 20, with ovicells developed ou some of the zooecia. The salient 



avleularium and the granulose pleurocyst are visible. 

 Wilcoxian tBashi formation) : Woods Bluff. Alabama. 

 Cat. No. 63829, U.S.N.M. 

 Fig. 13. idroiirllot'Si^ iioroxii. new species (p. 565). 



Photograph of the inerusting type-spechnen. X 20. with the large frontal pierced 



by a dozen pores. 

 Wilcoxian (Bashi formation) : Woods Bluff, Alabama. 

 Cat. No. 63818, U.S.N.M. 

 Figs. 14-20. Adeoiiellopsis niafniiporosa, new species (p. 505). 



14. The bilamellar zoarium, natural size. 



15. Zoarium, X 20, showing old zooecia. The apertin-a and pointed, triangular avleu- 



larium only are visible in the total area of such zooecia. 



16. Another surface. X 20, with zooecia exhibiting the deep cribriform are.i. 



17. Old zooecia, X 20, with adventitious round aviculariuui below the total area. 



18. Interior of the zooecia, X 20. 



19; Tangential thin section. X 25, passing through the zooecial frontal. 

 20. Surface of a frond, X 20. with deep cribriform area containing Ave to seven pores. 

 Wilcoxian (Bashi formation) : Woods Bluff'. Alabama. 

 Cat. No. 6.3830, U.S.N.M. 

 55899— 20— Bull. 106 2 ^ 



