Plate 46 



Figs. 1-6. Retepora (Reteporella) spinosissima, new species (p. 364). 



1. Zoarial fragments, natural size. 



2. Branch, X20, in which there are large spines with the small ones. 



D. 5574. Simaluc Island. 



3. Adult ovicelled branch, X20. 



4. Adult branch with salient peristomes, X20. 



5. Young branch, X20, with very salient paristomes. 



6. Dorsal, X20, exhibiting the vibices. 



D. 5179. Romblon Light, Romblon. 

 7-10. Retepora (Retqporella) clypeata, new species (p. 365). 



7. The dendroid zoarium, natural size. 



8. Adult branch, X20, lighted from the base to show the structure of the 



ovicell. 



9. Young branch, X20, also lighted from the base to show the saliency 



of the peristome. 



10. Dorsal, X20, exhibiting vibices. 



D. 5179. Romblon Light, Romblon. 

 11—18. Retepora (Reteporella) longicollis, new species (p. 365). 



11. Zoarial fragments, natural size. 



12. Wide branch, X20, lighted from the base to show the great saliency of 



the peristome. 



13. Young branch, X20, showing the frontal avicularia and the long lateral 



peristomes. 



D. 5577. Mount Dromedario. 



14. Ovicelled branch, X20, illustrating the median avicularia and the 



fissure of the ovicell. 



D. 5135. Jolo Light, Jolo. 



15. Dorsal, X20, showing tuberosities in lozenge-shaped areas. 



16. Young branch, X20, exhibiting the two large spines on the axial 



peristomes. 



17. Side view of specimen, X20, showing the arrangement of the vibices 



with respect to the marginal zooecia. 



18. Branch of a very young zoarium, X20. 



D. 5593. Sibuko Bay, Borneo. 



(613) 



