Plate 79 



Figs. 1, 2. Mecynoecia obesa Canu and Bassler, 1922 (p. 529). 



1. Young ovicelled colony, X12, showing the very narrow base. 



2. Fragment, X25, exhibiting the structure of the ovicell. 



D. 5147. Sulade Island. 

 3-6. Mecynoecia rectangulala, new species (p. 530). 



3. Ovicelled fragment, X12. 



D. 5478. Tacbuc Point, Leyte. 

 4,5. Examples, X12 and portion, X25, illustrating subverticellate 

 arrangement of the tubes. 



6. Second example, natural size, and one X12, showing rectangular 



arrangement of branches. 

 D. 5151. Sirun Island. 

 7, 8. Mecynoecia unijasciata, new species (p. 530). 



7. Zoarium with Filisparsa form of growth, X12, but showing the 



ovicell. 



8. Ovicelled portion, X25. 



D. 4807. Cape Tsiuka, Sea of Japan. 

 9-11. Mecynoecia geminata, new species (p. 532). 



9. Two specimens, natural size. 



10. Ovicelled branch, X12. 



11. Large branch, X12, showing the usual aspect. 



D. 5141. Jolo Light, Jolo. 

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