600 FROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxiv. 



Plate XLIII. 



Fig. 1. Ceratoisis flahellum Nutting. Portion of colony, X 4. 



2. Ceratoisis grandis Nutting. Individual polyps, X 4. 



3. AmpMlaphis Mserialis Nutting. Poi'tion of a colony, X 2. 



4. Caligorgia gilberti Nutting. Portion of a colony, X 2. 



5. Stachyodes hoioersi Nutting. Colony, showing parasitic Ophiocreas, 



X h 



6. Stachyodes iowersi. Portion of branch, X 2. 



7. Stachyodes dngularis Nutting. Portion of branch, X 2. 



8. Calyptrophora versluysi Nutting. Portions of two branches, X 2. 



Plate XLIV. 



Fig. 1. Paramuricea haicaiiensis Nutting. Portions of branches, X 3. 



2. Anthomvricea tenuispina Nutting. Portion of colony, X 2. 



3. Clematissa tenue Nutting. Two branches, X 2. 



4. Clematissa alba Nutting. Portion of branch, X 2. 



5. Menella grandiflora Nutting. Portion of stem, X 2. 



6. Stcnella helminth oplior a Nutting. Portions of branch, X 3. 



7 and 8. Stenella lielminthojjhora. Portions of branches, showing the im- 

 mensely enlarged scales which form the arcades under which parasitic 

 annelids live. 



9. Small portion of branch with scales natural size, X 2. 



Plate XLV. 



Fig. 1. Echinomuricea Ijrunnea Nutting. Parts of two branches, X 2. 



2. Cyclomuricea flabellata Nutting. Distal end of branch, X 2. 



3. Cyclomuricea flaheUata Nutting. Distal part of larger branch, X 2. 



4. Chrysogorgia arhorescens Nutting. Two polyps, X S. 



5. Lepidogorgia spiralis Nutting. Portions of colony, X 3. 



6. Lepidogorgia gibbosa Nutting. Portion of colony, X 2. 



7. Chrysogorgia delicata Nutting. Portion of colony, X 2. 



8. Chrysogorgia arborescens Nutting. Part of branch, to show diiference in 



size between the normal polyps (above) and abnormally enlarged 

 polyp (below). 



9. Chrysogorgia curvata Versluys. Portion of branch, X 2. 



Plate XLVI. 



Fig. 1. Chrysogorgia flexilis (Wright and Studer). Three polyps, X 2. 



2. Chrysogorgia lata Versluys. Three polyps, X 6. 



3. Chrysogorgia stellata Nutting. End of branch, X 2. 



4. Iridogorgia bella Nutting. Ends of branches, X 2. 



5. Iridogorgia superba Nutting. Parts of branches, X 2. 



6. YerruceUa bicolor Nutting. Part of colony, red phase, X 2. 



7. Verrucella bicolor Nutting. Part of colony, yellow phase, X 2. 



8. Pleurogorgia militaris Nutting. Part of branch, X 2. 



Plate XL VII. 



Fig. 1. Spicules of Clavularia spiculicola Nutting, X 45. 

 2. Spicules of Spongodes alexanden Nutting, X 45. 



