(270 RADIATA. 
Flustra papyracea.—Devon. (Montagu.) 
Flustra avicularis—Uncommon. In deep water 
on stones. 
Flustra membranacea.—Common on fuci. 
Flustra unicornis.—Not common on stones. 
Flustra pilosa.—Common on fuci. 
Flustra hispida——Common on fuci. 
CELLARIADZ. 
* Cellularia Hookeri. —Torquay. (Dr. Hooker.) 
Cellularia ciliataa—Common. Occasionally red. 
Anguinaria anguina.—Snake coralline. Rare. 
Crisia eburnea.—LIvory coralline. Common in 
deep water on stones. 
Cellularia fastigiata, scruposa, and reptans. 
(Turton and Kingston.) 
SERTULARIADE. 
Sertularia polyzonias. — Great tooth coralline. 
Common. 
Sertularia halecina. —Herring-bone coralline. 
Not uncommon. 
Dynamena abietina.—Sea jir. Very common, 
especially on oyster banks. 
Dynamena cupressina.—Sea cypress. Common 
on oyster banks. 
Dynamena operculata.—Sea hair. Rather rare. 
Bovisand, (Miss H.) 
Dynamena argentea.—Squirrel’s tail. (Turton 
and Kingston.) 
Dynamena pumila.—Sea oak coralline. Not 
uncommon. 
Dynamena rosacea.— Pomegranite coralline. 
Not uncommon. Bovisand, (Miss H.) 
Antennulariaantennina. Lobster’s horn coralline. 
Common on oyster beds. 
Plumularia myriophyllum.—Pheasant’s tail. Ply- 
mouth Sound. (J. C. B.) Devon, (Dr. Coldstream.) 
