i 



Plate S. 



Figs. 1-10. jl/e/raraMo<os Zncrymosum Canu and Basslor, 1919. (p. 164.) 



1. A group of fragments, natural size. 



2. Fragment, X 6, showing the little expanded base. 



3. Another fragment, X 6. 



4. A worn branch, X 20. The avicularia are absent or little apparent. 



5. Zooecia, X 20, with salient peristomes and large Iriangular avicularia. 



6. Worn zoarial fragment, X 20. 



7. Ordinary zooecia of a branch, X 20, with short, jiointed triangular avicularia. 

 ,S. Ordinary zooecia, X 20, with long avicularia. 



9. Branch, X 20, ^rith ovicelled zooecia. The ovicell is slightly costulated and its frontal is granii - 

 lose. 



10. Ovicelled zooecia, X 20, with the ovicell not costulated. 

 Lower Miocene I Bowden marl ) : Bowden, Jamaica. 



Figs. 11-16. Brarrhridfiifi ficfnrmis Ca.nu.3,nd Bassler, 1919. (p. 160.) 



11. Fragments, natural size. 



12. The usual aspect of the zooecia, X 20. The large frontal pore does not perforate the wall. 



13. Zooecia at the base of a zoarium, x 20. 



14. Zooecia, X 20 with the large frontal pore wanting. 



15. Zooecia, X 20, with the peristomial avicularium slightly visible. 



16. Interior of zooecia, X 20. The peristomial avicularium is visible, but the frontal pore does 

 not i)erforate the zooecial wall. 



Lower Miocene (Bowden marl i: Bowden, Jamaica. 

 252 



