ASCIDIOIDA. 
465 
Genus Iluanthos. 
I. scoticus, Forbes. 
On the beach at Balbriggan, after a storm, March, 1843, Mrs. Hancock. 
Genus Lucernaria. 
L. fascicularis, Flem. 
Donaghadee, Mr. Templeton. 
L. auricula , Fabr. 
I once found two examples of this species attached to a Polysiphonia 
collected at Carnlough, Co. Antrim, by Dr. J. L. Drummond. W. T. 
L. campanulata, Coldstream. 
Miltown Malbay, Professor Harvey. 
West coast, on Fucus tuberculatus, Mr. Andrews. Bray, It. Ball. 
ORDER ASCIDIOIDA. 
Genus Serialaria. 
8. lendigera , Lam. 
Found on the North, East, and South coasts of Ireland. In Belfast 
Bay and at Hyde, 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. 
Genus 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. cuscuta, J. Y. 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 Algse, but more especially on Halidrys siliquosa, which superla- 
tively bears the palm as the favourite of the Zoophytes. 
V. Uva, Flem. 
North and East of Ireland. 
Adherent to Flustra foliacea, dredged 20 fathoms, Belfast Bay, Sept., 
1847, G. C. H. 
V. pustulosa, Johnst. 
Belfast Bay, W. T. Dublin Bay, Dr. Hassall. Youghal, Miss Ball. 
Genus Bo^verbankia. 
B. densa, Farre. 
When shown this Zoophyte by Dr. Farre in the spring of 1837, I re- 
