Plate 30 



Page 

 Figs. 1,2. Crisia species 157 



1. A segment, X 25. 



2. An example, X 25, viewed by transparency, showing 



the arrangement of the tubes. 

 Albatross Station D. 2405, Gulf of Mexico. 



3. Crisia elongata Milne Edwards, 1838 157 



An ovicelled segment X 25, with four bases ramae and 



26 tubes. 

 Albatross Station D. 2405. Gulf of Mexico. 



4. Crisia denticulata Lamarck, 1812 156 



Segments, X 25, viewed by transparency, showing the 



bases ramae and two dark-colored joints. 

 Albatross Station D. 2405. Gulf of Mexico. 



5, 6. Domopora floridana, new species ■ 164 



Lateral and superior views of the type specimen, X 12. 

 Albatross Station D. 2405. Gulf of Mexico. 



7. Proboscina robusta, new species 157 



The incrusting type specimen, X 12. 

 Albatross Station D. 2319. North of Cuba. 



195 



