XIV. SOCIAL "CBOWNED HEADS." 



" Only so far as the masters of the world have called in nature 

 to their aid, can they reach the height of their magnificence." 

 EMERSON. 



MEGALOTROCHA and Lacinularia are in some respects 

 very much like Conockilus, described in No. II. 

 There are, however, differences enough to give them 

 a distinctive character both as between themselves 

 and the latter form ; for, although they all belong 

 to the jRotaforia, and are all social in their habits, 

 living in closely -packed colonies, yet, while the 

 Cono chili are free and revolving, the others are 

 attached to the stems and leaves of plants or other 

 objects. " In Conochilus the aggregation is round 

 a central globule of gelatine, from which they pro- 

 ject like so many rays." 



This is also the case with Lacinularia in their 

 free colonial condition ; and even when attached 



