Plate 61 



Figs. 1-6. Holoporella erectoroslris, new species (p. 425). 



1. Globular zoarium, natural size, growing about a shell fragment. 



2. Surface of same, X20, showing the incomplete zooecia and the for- 



mation of the ovicell. Lyrule and cardelles are broken. 

 D. 5478. Tacbuc Point, Leyte. 



3. Another example, X20, with marginal zooecia deep and granulated. 



4. Zooecia of a small fragment, X20, showing the great saliency of the 



beak of the interzooecial avicularia. 



5. Another specimen, X20, on which certain frontal avicularia are trans- 



formed into cylindrical pillars. Lyrule and cardelles are not visible. 

 D. 5179. Romblon Light, Romblon. 



6. Portion of an incrusting zoarium, X20, with numerous interzooecial 



avicularia with salient beaks. 

 D. 5141. Jolo Light, Jolo. 

 7-10. Holoporella serratirostris MacGillivray, 1884 (p. 423). 



7. Surface of a free lamellar specimen, X 10, showing the elongation of 



the avicularian rostra in the concave portion of the colony. 

 D. 5145. Jolo Light, Jolo. 



8. Deep zooecia, X20, with salient avicularian rostra. 



9. Surface, X20. The avicularian rostrum is small in the vicinity of 



the large zoarial avicularia. 



D. 5179. Romblon Light, Romblon. 



10. Surface, X20, with group of zoarial avicularia. 



D. 5141. Jolo Light, Jolo. 

 11, 12. Holoporella subfiava, new species (p. 427). 



11. Surface of the free, orbicular, unilamellar zoarium, X20. One deep 



zooecium is ovicelled. 



12. Zoarial surface, X20, with very irregular zooecia. The avicularian 



rostrum is broken. 



D. 5137. Jolo Light, Jolo. 



(628) 



