Plate 5 



Fias. 1-4. Diplonotos coslulalum, new species (p. 30). 



1, 2. Fragment of zoarium, natural size, and the first lateral face 

 of the reticulated colony, X 20, bearing vibices and avicu- 

 laria. 



3. Second lateral face of the sanae colony X 20, showing the same 



features. 



4. Cellular side, X 20. It is uniserial and the zooecial openings 



are arranged on the edge of the branches in the fenestrae. 

 Albatross Station D. 2813. 

 5. Crepidacantha poissonii KnAowva, 1826 (p. 33). 

 Portion of the incrusting zoarium, X 20. 



Hawaiian Islands, Albatross Station D. 3813. 

 6-9. Adeona tubulifera, new species (page 34). 



6. Portion of the incrusting zoarium, X 10, and a few zooecia 



of the same, X 20, showing gonoecia. 



7, 8. Portions of a colony X 20 with very tubular zooecia. 



9. Much calcified colony, X 20. The peristomes are shorter 



and much thickened. 

 Albatross Station D. 2815 and D. 2813. 



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