PLATE III. 

 Alcyonella fungosa. 



Fig, 



1 . A specimen of Alcyonella fungosa, represented of the natural size, as developed round a 



twig. 



2. A portion of the surface magnified, with a polypide protruded ; it is viewed obliquely, so 



as to show the papilHform termination of the cells. 



3. The same, viewed perpendicularly ; the polypides are all retracted, and the papilliform 



terminations of the cells foreshortened in the view. 



4. A portion of the dead coencecium magnified, and seen in vertical section ; the cells 



towards the bottom are seen to be loaded with statoblasts. 



5. 6. Statoblast, magnified about 60 diameters. 



7. Longitudinal section through polypide and cell showing anatomical details. 



