270 HISTORY OF BRITISH ZOOPHYTES. 



And arborets of jointed stone were there, 

 And plants of fibres fine as silkworms' tbread, 

 Yea, beautiful as mermaids' golden hair 

 Upon the waves dispread." Southey. 



Tribe 1. TUBUL1PORINA. 



FAMILY TUBULIPOEID^. 



Character. Polypidoms calcareous, massive, orbiculated, or 

 lobed, or divided dichotomously ; the cells long and tubular, 

 with a round, prominent, unconstricted aperture. Dr. Johnston. 



Genus XXXV. TUBULIPORA, Lamarck. 



Gen. Char. Polypidom depressed, circular or lobed, adherent 

 by a thin calcareous basis ; cells clustered, inclined to be rowed, 

 erect or sub-horizontal, more or less free at the round terminal 

 aperture . Johnston. 



* With a thin sessile basis. (Discopora, Fleming.} 



1. TUBULIPORA PATINA, PallttS. 



Hab. On shells and zoophytes and seaweeds from deep 

 water. Miss S. Beever, Isle of Man; Mrs. Gulson, Ex- 

 mouth; Mrs. Gatty, coast of Yorkshire; Miss AUardyce, 

 Cromarty. 



This is a handsome little zoophyte. On our west coast 

 it is chiefly found in the tangled roots of Laminaria digi- 



