Plate 7 



Page 

 Figs. 1-3. Cupularia umbellata Defrance, 1823 64 



1. Hydrostatic zooecia; X 20. 



2. Interior face; X 20. 



3. Marginal zooecia; X 20. 

 Florida Keys, Gulf of Mexico. 



4—7. Siphonoporella dumonti, new species 68 



4. Interior of a colony, showing the oblique position of the 



polypidian tube; X 20. 



5. A compressed frond with the ectocyst preserved. The 



B zooecium has the opercular mandible; X 20. 



6. Cylindrical specimen without ectocyst showing the place 



of the polypidian tube (= siphon) B zooecium with 

 opercular mandible present; X 20. 



7. Cylindrical specimen with ectocyst; X 20. 

 Albatross Station D. 2405, Gulf of Mexico. 



8-10. Steganoporella magnilabris Busk, 1854 64 



8. Photograph of the retractor muscles; X 85. 



9. Specimen with ectocyst; X 20. The small symmetric 



concavities of the ectocyst indicate the place of the 

 opesiular muscles. 



10. Zooecia, X 20, without ectocyst. 



Atlantic Ocean, Fowey Light, 15 miles south of Miami, Fla. 

 172 



