Durrpen— The Hydroids of the Irish Coast. 407 
Tubiclava cornucopie, Norman. 
A rare species collected by the Royal Dublin Society’s Survey 
from Blacksod Bay. Colonies were found living on four different 
shells of Astarte suleata, with the living animal inside (1895). 
Il. HYDRACTINIIDZA, 
Hydractinia echinata, Fleming. 
A common species, living on shells inhabited by hermit-crabs ; 
obtained in abundance from all localities where dredging has been 
carried on. 
III. PODOCORYNIDZ. 
Podocoryne carnea, Nars. 
First recorded for Ireland from collections made by the Royal 
Irish Academy from Long Island Bay (1898); Galway Bay, 
on Nassa; Blacksod Bay, on Aporrhais (R. D.8.). 
Podocoryne areolata, Alder. 
Obtained among the collections from the deep-sea trawling 
expedition off the south-west coast of Ireland (1889); Dursey 
Head and Berehaven (1893). 
IV. CORYNIDZ. 
Coryne pusilla, Geertner. 
A fairly common form in the rock-pools. On Fucus, Bere- 
haven (R. I. A.) ; on Zanthea, Kilkeiran Bay (R. D.S8.) ; rock- 
pools of Donegal Bay; Dursey Island; Rush (J. E. D.). 
Coryne vaginata, Hincks. 
Tide-pools of Clew Bay (Hincks) ; common on the southern 
shores and in Dublin Bay (Allman); north-east coast (W. Thomp- 
son). 
Coryne van Benedenii, Hincks. 
Placed in the county Dublin list as rare at Killiney Bay 
(Hon. Miss Lawless). 
SCIEN. PROC. R.D.S., VOL. VIII., PART YV. 2G 
