Plate 3 



Figs. 1, 2. Cupuladria canariensis Busk, 1859 (p. 73). 



1. Exterior (cellular) side, X20. 



2. Inner (basal) side, X20. 



D. 2826. Gulf of California. 

 3, 1. Cupuladria transversata, new species (p. 75). 



3. Portion of outer surface, X20. 



1. 'The inner side, X20. The transverse lozenge-shaped compartments 

 are arranged on two radial costules. 

 D. 5579. Darvel Bay, Borneo. 

 5 8. Cupuladria dentifera, new species (p. 75). 



5. Large marginal zooecia, X20. 



6. Inner side of young zoarium showing the peripheral denticles, ■ 20. 



7. Outer side of a young zoarium exhibiting the central zooecium, X20. 



8. Portion of inner side of a large zoarium, X20. 



I). 5230. Limasaua Island. 

 9-11. Membranipora bartschi, new species (p. 66). 



9. Fragmeni of a branch with large zooecia, X20. 



10. An example, X20, showing the mode of branching. 



11. Lateral view of zooecial wall showing the five septules, 20. 



I). 5230. Limasaua Island. 



(570) 



