Plate 33 



All the specimens here illustrated are magnified 20 diameters and are from the 

 Pliocene of Bocas Island, Almirante Bay, Panama. 



Page 



Fig. 1. Lepralia fissurata, new species 110 



The incrusting zoarium with ovicelled zooecia. 



2. Tremogasterina granulata, new species 45 



Surface of the Pliocene form of the species. 



3. Tremogasterina sparsiporosa, new species 50 



The unilamellar tj^pe specimen. 



4. Petraliella bisinuata Smitt, 1873 78 



Zooecia. 



5,6. Petraliella bisinuata grandis, new species 80 



5. Zooecia. 



6. Inferior surface, exhibiting the radicular pores. 



7. Tubucellaria cereoides 'EWis and Solander, 1786 113 



Portion of a segment. 



8. Tremogasterina malleolus, new species 48 



Ovicelled zooecia. 



9. Coleopora granulosa, new species 82 



The incrusting type specimen. 



10. Tremoschizodina anatina, new species 132 



Surface of the type an incrusting zoarium. 

 198 



