452 ZOOPHYTES. 



Genus EUDENDRIUM. 

 E. rmnenm, Johnst. 



Black Rock, Dublin Bay, Dr. Hassall. 

 E. ramosiun, Ellis. 



jSToticed by Templeton as found in Dublin Bay ; it occurs not uncom- 

 monly on shells dredged in deep water on the North-East coast. 



Found sparingly around the coast of Ireland, investing shells. The 

 figure in Ellis's Corall., pi. XVII., is a good representation of the species 

 as it has occurred to me ; I have never met with E. ramosum, even in a 

 dried state, in which it could be confounded with T. larynx (see Brit. 

 Zoop., p. 117). The specimens which have come under my observation 

 were always of a stronger texture, and of an extremely different habit 

 from any variety of T. larynx, having moreover a brownish horn-colour, 

 instead of the hyaline aspect of that species. More might be said on the 

 subject, but a comjiarison of Ellis's fig. of T. raniosa, pi. XVII., with Dr. 

 Johnston's T. larynx, will exhibit other differences sufficiently. W. T. 



I found this species along with many other Zoophytes in the trawl-nets 

 of the Howth (Co. Dublin) fishermen, in April, 1835; have dredged it in 

 Belfast Bay, and found it parasitic on oysters and the Capulus Hungaricus 

 from the Down coast, but rarely more than one or two specimens on any 

 occasion. Obtained at Magilligan by Mr. Hyndman, 1838. Ellis's figure 

 in plate XVII. is a good representation of the species as it has occurred 

 to me. Killery Bay, W. T. 



Courtmasherry Harbour, Co. Cork, Prof. AUman. On Pinna in my 

 collection from Cork. 



Oenus TUBULARIA. 

 T. indivisa, Linn. 



Dublin Bay, Prof. Harvey, 1834 ; Youghal, Miss Ball, 1836 ; Belfast 

 and Strangford Loughs, Mr. Hjiidman and W. T. 



Fine specimens 9 inches in height obtained by Dr. Ball in Dublin Bay, 

 Sept., 1839. 



Dredged in the open sea along the Antrim coast, by Mr. R. Patterson. 

 On a Balanus attached to an oyster dredged at Greencastle, Londonderry, 

 W. T. Youghal, Miss Ball. 



T. larynx, Ellis. 



Belfast and Strangford Loughs, Mr. Hyndman and W. T. ; Dublin 

 Bay, Dr. Ball. 



This is not uncommonly found attached to T. indivisa ; but in Belfast 

 and Strangford Loughs is chiefly parasitic on Desmarestia acideata. 

 From about every inch or so of the stem and main branches of the plant 

 the tubes issue somewhat in a whorled manner (to use a botanical ex- 

 pression) to about the distance of one or two inches on every side. 



In Belfast Bay, Mr. Hyndman dredged a fine specimen 3i inches in 

 height, and as much in breadth, and which sjnings from a single base. 

 The tubes are simple throughout. W. T. 



Genus Thoa. 

 Thoa halecina, Lam. 

 Clew Bay and Antrim, Down, and Dublin coasts, W. T. Killery Bay, 

 W. T. Magilligan, Co. Londonderry, Mr. Hyndman. The specimens 



