C AMP AN UL ARIA. 167 



of the margin of the polype-cell. When folded down or 

 drawn "VAithin the cell, the top of this appears truncated. 



5. Campanularia lacerata, Br. Johnston. 



Hab. Parasitical on Plumnlaria falcata, Berwick Bay, 

 Dr. Johnston ; and on Cellulana scruposay at St. Andrew^s, 

 Prof. J. Eeid. 



This little creeping bell coralline seems as yet seldom to 

 have been met with. It is described by Dr. Johnston, 

 " Cells arising from a slender tubular stem, wdiich creeps 

 upon the ramifications of other corallines, scattered, on 

 very short pedicles, consisting of four or five equal rings, 

 ovate, the upper part of a conical form, and divided into 

 six deep lanceolate segments, wdiich, in our specimens, are 

 all connivent, and form an acute apex.''"' Professor Reid 

 states that the tentacula can extend twice the length of the 

 cell, and that they have numerous small tubercles adhering 

 to their outer surface. 



■^■^ 8tenfi composed of many parallel tubes. 



6. Campanularia verticillata. Horse-tail Coralline, 

 Mlis. (Plate X. fig. SS"^.) 



Hab. Near Whitehaven, Dr. Brownrigg; near Hartle- 

 pool, Mr. Hogg; Scarborough, Mr. Bean; Cullercoats, 

 * In the Plate this is named, by mistake, Laomedea verticillata. 



