Plate III. 



Cerianthus lloydii. 

 Fig. T. Section of a portion of the column and siphonoglyph in the upper part of the latter. 



2. Section of the same parts in the lower part of the stomatodaeum. 



3. Section of a portion of the stomatodaeum and mesenteries at the point where the stomato- 



daeum passes into the filaments. 



4. Section of two of the processes supported by mesogloea, from the lower part of the stomatodaeum. 



5. Section of a part of the siphonoglyph. 



6. Section of a part of a mesentery with a craspedion (Filamentchen). 



