Plate 73 



Figs. 1-5. Flabellopora acuta, new species (p. 504). 



1. Example of the arrow-shaped zoaria, natural size. 



2. Base of the broad example figured, X20. 



3. Upper portion of same, X20. 



4. Another specimen, X20, showing the acute distal extremity. 



5. Interior of zooecia, X20. 



D. 5392. Tubig Point, Destacado Island. 

 6,7. Flabellopora tubifera, new species (p. 505). 



6. Small zoarium, natural size and, X 10, with opaque walls and some- 



what worn. 



7. Median portion of well-preserved zoarium, X20. 



D. 5137. Jolo Light, Jolo. 

 (640) 



