Plate 11 



Figs. 1, 2. Proboscina lamellifera, new species (p. 46). 



The incrusting zoarium, X 6 and a portion X 12. 

 Albatross Station D. 2813. 

 3-6. Diaperoecia striatula, new species (p. 49) . 



3. A colony incrusting in concentric wrinkles with a wide basal 



lamella and an ovicell. 



4. An example, X 12, with three ovicells. 



5. A free colony, X 12. 



6. Portion of fig. 5, X 25, to show the concentric striae. 

 Albatross Station D. 2813. 



7, 8. Plagioecia lactea Calvet, 1903, var (p. 48). 



7. A complete free colony, X 12, with marginal ovicell. 



8. Portion of the same, X 25, to show the tubes closed by a 



diaphragm with tubule. 

 Albatross Station D. 2813. 



72 



