JOURNAL OF MICROSCOPICAL SCIENCE. 



DESCRIPTION OF PLATE IX, 



Illustrating Mr. G. Busk's paper on Clavopora Hystricis — a 

 New Polyzoon belonging to the Family Halcyonellese. 



Pig 1. Magnified view of the entire growth, {a) One of the zoooecia. 



„ 2. A portion of the stem, showing the peculiar fibres. 



„ 3. A portion of the capitulum, magnified to the same degree, showing 

 one of the zoooecia containing a polypide. 



