70 DUBLIN UNIVERSITY 



The materials at my command for the preparation of this paper have 

 been — the results of deep-water dredging off the coast of Antrim, by Mr. 

 Hyndman ; the collection of zoophytes belonging to Trinity College ; 

 the lists of Hydroida, by Professor "Wyville Thomson, published in the 

 Report of the Belfast Dredging Committee; miscellaneous papers by 

 Allman, Hassall, &c. 



List of Species. 



Class.— HYDROZOA. 

 Order. — CoRYNiDiE. 



Atractylis (Dr. Strethill Wright). 



ramosa (Eudendrium ramosum, Van Beneden). On an old buoy, 



Harbour of Derryquin, county of Kerry. 

 Allman, Proc. Roy. Soc. Ed., December 6, 1858. 

 Tubularia 



gracilis. Howth and Lambay. The Rev. A. Irvine's Catalogue 



of Dublin Bay Zoophytes ; Nat. Hist. Rev., vol. i., p. 244. (On 



the authority of Dr. Hassall.) 

 Dumortierii. On Flustra truncata, Belfast Bay. Prof. Wyville 



Thomson. Rep. of Belfast Dredging Com. for 1857. 



Order — SERTULARiDiE. 

 Seetulaeia 



fallax. Dalkey and Howth. Irvine's Catalogue. 

 Gayi (Lamouroux) ; polyzonias var. /3 Johnston. Dublin Bay (Trin. 

 Coll. Coll.). 

 Plumulabia 



Catherina (Johnston). Howth (Trin. Coll. Coll.). Belfast Bay, 



Prof. Wyville Thomson. 

 echinulata. Dublin (Trin. Coll. Coll.). 

 Campanulabia. Section #. (Laomedea of Lamouroux.) 



flexuosa (Hincks). Very abundant on Fucus nodosus between tide- 

 marks. Wyville Thomson. 

 Loveni (Allman). Carrickfergus, on weeds and wood close to low- 

 water mark ; Monkstown, near Cork, on the pier. W. T. 

 longissima (Pallas). Portmarnock (Trin. Coll. Coll.). [Confounded 

 with dichotoma, until distinguished by Mr. Alder. CataL of Nor- 

 thumberland and Durham Zoophytes.] 

 lacerata (Johnston). North of Ireland, Prof. W. Thomson. 

 angulata (Hincks). Youghal (Trin. Coll. Coll.). At the Leeds 



