ALCYONIUM. 51 



Plate XIV. Another specimen, the surface evidently in polygonal cells or com- 

 partments. 

 XV. Alcyonium [palmatiim]. 

 XVI. Fig. 1. Alcyonium; conjectured a variety. 

 2. 3. Corpuscula or gemmules magnified. 

 XVII. Fig. 1. Minute pyriform Alcyonium. 



2. The same with the hydrae displayed ; enlarged. 



3. Small specimen ; conjectured to be young. 



4. Specimen with granules imbedded in the flesh. 



5. Prolific specimen. 



6. Cellular superficies. 



7. Cellular superficies with hydrae. 



8. New protuberance generated from the specimen PI. XIII. 



9. Hydrae from the same ; enlarged. 



10. Hydrae from fig. 5. 



11. Hydra; of fig. 3. 



12. Ciliated corpuscula or gemmules from fig. 4. 



13. Ciliated gemmules from the prolific specimen, fig. 5. 



1 4. Diffusing spots from the same gemmules. 



15. Diffusing spots farther advanced. 



16. Nascent hydrae from these spots. 



1 7. Nascent hydra more enlarged. 



All the figures, excepting 1, 3, 4, 5, 8, are enlarged. 



