Plate 34 



All the specimens here illustrated, unless otherwise stated, are magnified 20 

 diameters and are from the Pliocene of Bocas Island, Almirante Bay, Panama. 



Page 



Figs. 1,2. Hippopodina feegeiisis Busk, 1880 133 



Zoarial surfaces with one ovicelled zooecium in Figure 1. 



3. C7'epidacantha poissonii Savigny-Audouin, 1826 136 



Specimen with an ovicelled zooecium. The irregular arrange- 

 ment of the avicularia is shown. 



4. Mastigophora pesanseris Smitt, 1873 133 



Ovicelled zooecia. 



5. Microporella normani, new species 112 



The incrusting zoarium with zooecia bearing large avicularia. 



6. Rhynchozoon corniger, new species 123 



The incrusting zoarium with the salient avicularian umbo and 



two small pedunculate avicularia. 



7,8. Lichenopora husldana, new species ^ 164 



Superior and lateral views of the type specimen, X 12. 



9. Idmonea atlmitica Forbes, 1847 165 



Front, lateral and back views of fragments, X 12, 



10. Plagioecia sarniensis Norman, 1864 159 



The incrusting zoarium, X 12, with ovicells developed. 



11. Entalophora proboscideoides Smitt, 1872 160 



Several fragments, X 12. 



199 



o 



