Plate 11 



Fig. 1. Tremopora intermedia Kirkpatrick, 1890 (p. 114). 



An example, • 20, with large ramified spines and very salient avicularia. 

 D. 55S0. Darvel Bay, Borneo. 

 2-6. Trcmn/xini radicifera Eincks, 1881 (p. 112). 



2. Inferior face of unilamellar zoarium, X20, showing the radicells attached 



to small hollow tuberosities. 

 D. 5157. Sirun Island. 



3. Unilamellar specimen, X20, exhibiting the more frequent aspect. 



D. 5145. Jolo Light, Jolo. 



4. Portion of zoarium, X20, with short bifurcated spines which are united 



at the base at the avicularia. 

 D. 5579. Darvel Bay, Borneo. 



5. Superior face of unilamellar zoarium, X20, distinguished as var. separata 



new variety. 



6. Inferior face of the specimen shown in Figure 5, showing the separating 



pores and the connecting tubes (var. separata). 

 D. 55S0. Darvel Bay, Borneo. 

 7. s. Tremopora oralis, new species (p. 114). 



7. The encrusting zoarium, ■ 20, with large ramified spines. 



D. 5144. Jolo Light, Jolo. 



8. An example, ■ 20, illustrating the usual condition. 



D. 5151. Sirun Island, Sulu Archipelago. 

 11. Hiantopora bidenticulata, new species (p. 115). 



0. Zooecia of incrusting zoarium, X20. The orifice of the avicularia is 

 visible and parallel to the zoarial plane. 

 D. 5137. Jolo Light, Jolo. 



10. Specimen without ectocyst, X20. The surface of two oral avicularia is 



perpendicular to the zoarial plane and invisible. 



11. Zooecia, X20, with the broken avicularia showing their primitive form. 



I). 5151. Sirun Island. 



12. Hiantopora spathulata, new species (p. 110). 



The encrusting zoarium, ■ 20, with the characteristic spat hulate avic- 

 ularia. 



D. 5170. Romblon Light, Romblon. 

 L3, 1 I. Hiantopora laticella, new species (p. 116). 



13. Superior face of a unilamellar ovicelled specimen, ■ 20. 



D. .").-)7«t. Darvel Bay, Borneo. 

 J 1. Another example, ■ 20, showing the structure of the ovicell. 

 1). 5577. Mount Dromedario, Tawi Tawi Group. 

 (578) 



