ASCIDIOIDA. 465 



Gtmiis Iluanthos. 

 /. scoficus, Forbes. 

 On the beach at Balbriggan, after a storm, March, 1843, Mrs. Hancock. 



Genus Lucernakia. 

 L. fascicularis, Flem. 

 Donaghadee, Mr. Temple ton. 



i. auricula, Fabr. 



I once found two examples of this species attached to a Poh/siphottm 

 collected at Carnlough, Co. Antrim, by Dr. J. L. Drummond. W. T. 



L. cavuHinulatu, Coldstream. 



Miltown Malbay, Professor Harvey. 



W«st coast, on Fnciis tuherculatns, Mr. Andrews. Brav, R. Rail. 



ORDER ASCIDIOIDA. 



Genus Serialaeia. 

 S. lendigera, Lam. 

 Found on the North, East, and South coasts of Ireland. In Belfast 

 Bay and at Ryde, Isle of Wight, I have observed that it is equally partial 

 to Halidrys siliquosa as a base. Occasionally on Zoophytes, as Notamia 

 loriculata, &c. W. T. Youghal, Miss Ball. 



Gemis Vesicularia. 



V. spinosa, J. V. Thompson. 



I have seen specimens from the North, East, and West coasts of Ire- 

 land. The species, like indeed all our Zoophytes, attains a much greater 

 than ordinary size on the Dublin coast. 



Genus Valkeria. 



V. cuscuia, J. V. Thompson. 



This species, although little known, is by no means rare. Dublin Bay, 

 1838, Miss Ball. Ballysodare Bay, Co. Sligo, Mrs. Hancock. Magilligan, 

 Co. Londonderry, Mr. Hyndman. In Belfast and Strangford Loughs, on 

 various Algfe, but more especially on IluUchjis siliquosa, which superla- 

 tively bears the palm as the favourite of the Zoophytes. 



V. Uva, Flem. 



North and East of Ireland. 



Adherent to Flustra foliacca, dredged 20 fathoms, Belfast Bav, Sept., 

 LS47, G. C. H. 



V. 2>ustulosa, Johnst. 



Belfast Bay, W. T. Dublin Bay, J)v. Hassall. Youghal, Miss Ball. 



Genus Bowerbankia. 

 B. densa, Farre. 



When shown this Zoophvte by Dr. Farre in the spring of 1837, I re- 



2 H 



