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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 papilliform 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 cænæcium 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.

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