PLATE XXIII. 



FIG. i. Eudistylia gigantea sp. nov., p. 210. Dorsal view of anterior portion o 

 a medium sized specimen, X * 



2. Schizobranchia concinna sp. nov., p. 208. Dorsal view of type, X i- 



3. Ventral view of same specimen. 



4. Eudistylia tenella sp. nov., p. 213. Dorsal view of anterior portion of a 



medium sized specimen, X f 



5. Lateral view of same specimen. 



(304) 



