A FEW CCELENTERATES OF WOODS HOLL. 



117 



strongly inclined to believe that it is quite distinct and probably- 

 new, and hence will propose for it the name Pasythea nodosa, the 

 name being suggestive of a highly distinctive feature of the hy- 

 droid, namely the nodose aspect of the stem. 



Fig. 14, single internode enlarged. Fig. 15, colony with 

 branches. 



Distribution and Habitat. — Known only on floating Sargassum. 



Campanularia verticillala. 



Fig. 16. 



Fig. 17. 



Anemonia sargassensis. New species. 



During the summer a very interesting species of actinian was 

 found by the writer in a mass of Sargassum brought in by Mr. 

 Edwards from the sound, and in working over some material 

 collected during the preceding summer other specimens were 

 found to have been taken by Mr. Edwards and preserved in 



