230 NATUEAL HISTORY OF 



" delicate flesh colour '' when alive, and ashy when 

 dried. The zoophyte is about an inch in height. 



4. B. CALATHDS_, Normcin. 



Hab. : Herm [A. M. N.\ South Devon Coast (T. H.). 



This species much resembles the preceding, but 

 differs in colour, retaining its yellowish-horn colour 

 even when dried. The cells are arranged in about 

 6 — 8 rows, and there are two eqiial spines at each 

 upper angle. The zoophyte is not so flabellate as the 

 preceding, as it " always takes the form of an elegant 

 simple cup.^' 



Described by Norman in Q. J. M. S. (N. S.), viii. 218. 



5. B. PLUMOSA, Pallas. Plate XVIII. fig. 4 

 Acamarchis plumosa ((?./.), Cellularia plumosa (Pall., 



B. Q. G., D. L.), Cellaria plumosa (E. and S., Bosc, 

 Lamlv.), Crisia plumosa (Lamx.), C.fastigiata (Temp.), 

 Bicellaria plumosa (De P.), Crisularia plumosa {Gray), 

 Cellularia fastigiata (Flem., Blwmenhach) . 



Hab. : Salcombe, Fleetwood (T. H.), Firth of Forth 

 {D. L., jun.), Northumberland (Aid.), Menai Straits 

 {A. 8. P.). 



This is the "Soft Feathered Coralline'' of Ellis 

 (Coral., 33). It is a very graceful species, of a buff 

 colour, and grows in tufts to a height of 2 inches or 

 more. The cells are biserial and alternate, and each 

 cell possesses a single spine at the top outer angle, and 

 a small avicularium. 



6. B. PUEPUEOTiNCTA, Novman. 



Cellularia fastigiata {Dal.), Cellularia plumosa {G.J. 

 Sars), Bugula fastigiata (Aid., Sars). 



Hab.: Loch Ryan {D. L.), St. Andrews {McL), 

 Shetland {A. M. N.), Filey [T. E), Wick {Peach), 

 Menai Straits {A. 8. P.). 



