Plate 60 



Fig. 1. Holoporella convexa, new species (p. 421). 



Surface of free unilamellar type, X20, illustrating the large, salient, con- 

 vex zooecia with areolar pores and smooth frontal. 

 D. 5217. Anima Sola Island. 

 2-6. Holoporella pilaefera, new species (p. 422). 



2. Portion of the large, thick unilamellar zoarium, natural size, with the 



numerous pillarlike beaks quite visible. 



3. Surface of the same zoarium, X10, with the long beaks shown. 



4. Another portion of same, X20, illustrating the deep zooecia and the 



vertical pillars. 



D. 5149. Sirun Island. 



5. Another specimen, X20, exhibiting the globular granulated ovicell and 



vertical pillars. 



6. Another portion of the surface, X20, showing the ovicell, incomplete 



zooecia and vertical pillars. 

 D. 5137. Jolo Light, Jolo. 

 7-9. Holoporella discoidea Busk, 1884 (p. 426). 



7. Surface of discoid unilamellar zoarium, X20, with erect zooecia. 



8. Ovicelled portion of zoarium, X20. 



9. Marginal zooecia, X20, with large interzooecial avicularia. 



D. 5134. Balukbaluk Island. 



(627) 



