ALGYONOID POLYPS. 



91 



the coast of Marseilles. The rose-colored is the most hio-hlv 

 valued, because the rarest. 



Another species of Corallium was obtained by the authoi-i 

 at the Sandwich Islands (Atlas of Zoophytes, plate 60) ; but, 

 while probably from the seas of that region, its precise locality 

 is not known. 



3. Pennatula tribe, or Pennatulacea. These are com- 





COPHOBELEMNON CLAVATUM, V., AND VERETTLLUM STIMPSONI, V. 



pound Alcyonoids, that, instead of being attached to rocks or 

 some firm support, have the base or lower extremity free from 

 polyps and buried in the sand or mud of the sea-bottom, or 

 else live a floating life in the ocean. Their forms are very va- 

 rious. 



In the Veretillum family (Veretillidae) they are stout 

 and short club-shape. One of the species from Hong Kong, 

 is shown in the figure on the left, with its polyps fully ex- 



