114 HISTORY OF BRITISH ZOOPHYTES, 



Genus YI. TUBULAEIA, LhmcBus. 



Gen. Char. Polypidom horny, fixed by a creeping fibre, erect, 

 fistular, and imbranched, the tube filled with a semifluid me- 

 dulla. Polypes placed at the extremities of the tubes, non- 

 retractile, fleshy, furnished with two circles of filiform smooth 

 tentacula, " one row surrounds the middle of the heads, and the 

 other is placed round the mouth ;" bulbules clustered, shortly 

 pedicled, placed within and at the base of the lower tentacula ; 

 embryo sometimes in the form of a Beroii, sometimes of a Hydra. 

 — JoJmston. — The name from tuhulus, a little pipe. „ 



1. TuBULARiA iNDivisA, E. Lliwijd'^ . (Plate 1. fig."^) 

 Hab. On shells and stones from deep water ; not rare. 

 Rothesay Bay, Prof. E, Forbes; Cmnbraes, D. L. 



" Tliis/^ says EUis, " is the largest of this tribe of British 

 tubulous corallines. It arises from small worm-like figures, 

 which rise into distinct tubes five and six inches long, full 

 of a thick reddish liquor. On the top of these the polypes 

 appear with plumed crests. These tubes, in the dried spe- 

 cimens, have the resemblance of oaten pipes, that is, part 

 of an oaten straw with the joints cut ofT.'^ AVe may add, 

 however, that they are clearer and more horny than oat- 



* Edward Lhwyd, or Lloyd, naturalist and antiquarian, born in Wales in 

 1670, and died in 1709. 



