Plate 78 



Figs. 1-6. Plagioecia reticuloides, new species (p. 529). 



1. Fragment of a branched colony, natural size, X3 and X12, and 



another colony (upper left-hand corner) X3. 



2. Dorsal of specimen, X12. 



3. Side view of branch, X12, showing arrangement of apertures. 



4. An ovicelled branch, X12, showing ovicell parallel to zoarial margin. 

 5, 6. Frontal, X25, showing two aspects of the basal lamella at the ex- 

 tremity of the branches. 



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



7. Filifascigera pluripora, new species (p. 524). 



The incrusting zoarium of sinuous branches, X12, exhibiting the 

 numerous orifices to each fascicle. 

 D. 5217. Anima Sola Island. 



8. Filifascigera parvipora, new species (p. 524). 



The short ramified incrusting zoarium, X12, with small fascicles. 

 D. 5144. Jolo Light, Jolo. 



9. Crista delicatula, new species (p. 527). 



Frontal and dorsal side of the delicate zoarial segments, X 25. 

 D. 5235. Nagabut Island. 

 10-13. Crisia hornesi Reuss, 1847 (p. 528). 

 10, 11. Fragments natural size and dorsal, X25. 



12. Frontal of segment, X25. 



D. 5478. Tacbuc Point, Leyte. 



13. Ovicelled specimen, X25. 



D. 5580. Sibutu Island, Darvel Bay, Borneo. 



(645) 



