Plate 63 



Figs. 1,2. Costazia spathulata MacGillivray, 1887 (p. 431). 



1. Ovicelled zoarium, X20, with deep zooecia. 



2. Another ovicelled zoarium, X 20, with erect zooecia. 



D. 5478. Tacbuc Point, Leyte. 



3. Costazia rota MacGillivray, 1885 (p. 431). 

 Surface of specimen, X20, attached to a Serpula. 



D. 5137. Jolo Light, Jolo. 



4. Costazia aculeate, new species (p. 434). 

 Free cylindrical zoarium, X20. 



D. 5179. Romblon Light, Romblon. 



5. Cellepora sinensis, new species (p. 435). 



Extremity of a free colony, X20. The interzooecial avicularia are 

 small. 



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

 Costazia pisiformis, new species (p. 433). 



Ovicelled portion of a small spherical colony, X20, with erect zooecia. 

 Little erect zooecia of an ovicelled colony, X20. 

 D. 4807. Cape Tsiuka, Sea of Japan. 

 8, 9. Costazia radiata Ortmann, 1890 (p. 432). 



8. Small massive zoarium, X20. The zooecia are erect and the apertures 

 are visible. 



9. Another colony, X20, in which the zooecia are somewhat buried. 

 D. 5141. Jolo Light, Jolo. 



10. Costazia pisiformis sinensis, new variety (p. 433). 



Incrusting zoarium, X20, with larger, more elongated ovicell and 

 numerous zoarial avicularia. 



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



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