EXPLANATION OF PLATES 

 Plate 1 



Figs. 1-5. Acanthodesia savarti Savigny-Audouin, 1826 (p. 66). 



1. Fragments of bilamellar zoaria, natural size. 



2. A unilamellar specimen, X20, in which the zooecia have the serrate 



denticle very much developed. 



3. A bilamellar specimen with short zooecia, X20. 



4. Bilamellar specimen, X 20, showing the mode of branching by widening 



of the zooecia. 



5. Another bilamellar specimen, X20, in which intercalated zooecia and 



those giving rise to new rows are developed at the place of branching. 

 D. 5145. Jolo Light, Jolo. 

 6-8. Acanthodesia quadrata, new species (p. 69). 



6. Fragment of a branch, X20, showing the cruciform arrangement of 



the zooecial series. 



D. 5478. Tacbuc Point, Leyte. 



7. Fragments natural size, and view of zooecia without opesial denticles, 



X20. 



8. View of narrow zooecia without opesial denticles, X20. 



D. 5235. Nagubat Island. 

 9-11. Acanthodesia grandicella, new species (p. 68). 



9. Portion of the bilamellar zoarium, X20, containing two large series 



producing zooecia. 



10. Narrow zooecia of a unilamellar zoarium, X20. 



11. Broad zooecia of a similar zoarium, X20. 



D. 5311. China Sea, vicinity of Hong Kong. 



(568) 



