Plate 91 



Figs. 1-6. Tretocycloecia flabellaris, new species (p. 564). 



1. Zoarium, X2 and X6, composed of several flabellate subcolonies. 



2. Lateral view of an ovicelled specimen, X6, with lobed capitulum. 



3. Capitulum of the same specimen, X6. 



4. Portion of the same capitulum, X12, showing the ovicell typical of 



the family. 



D. 5147. Sulade Island, Sulu Archipelago. 



5. Specimen with bifurcated peduncle, X6. 



6. Large flabellate but little lobed subcolony, X6. 



D. 5579. Sibutu Island, Darvel Bay, Borneo. 

 7-11. Trclocycloecia pelliculata Waters, 1879 (p. 566). 



7. Fragments of the ramose zoarium, natural size. 



8, 10. Portion of a zoarium with numerous mesopores, X12 and X25. 



9. Portion of a zoarium, X12, showing the arrangement of the pellicules. 

 11. Zoarium, X12, with salient peristomes and a small number of meso- 

 pores. 



D. 4807. Cape Tsiuka, Sea of Japan. 



(658) 



