484 AMORPHOZOA. 



Oenus S PONG I A. 

 8. pidchella, Soav. 

 Carrickfergus, Mr. Templeton. 



S. linibata, Mont. 

 Specimens from Bangor, 1835, Dalkey Sound, 1836, Dr. Ball, Spring- 

 vale, Down, have been so named by Dr. Johnston. Strangford, W. T. 

 Grows about roots of tangle, as well as stones, &c. 



Genus Grantia. 

 G. co}77j)ressa, Fabr. 

 On the stems of various species of Algte, Corallina officinalis, and 

 Zoophytes, on Antrim and Down coasts, and generally distributed.. 



G. lacHuosa, Bean. 

 Strangford Lough, near Portaferry, July, 1838, W. T. 

 Dredged from a depth of 8 to 10 fathoms at Donaghadee, May, 1843, 

 Dr. Drummond. 



G. ciliata, Fabr. 



This very beautiful species I have commonly found on marine plants 

 on the North-East coast, and occasionally of large size. Specimens 

 attached to a small 3IytUus from Belfast Bay, December, 1844. On various 

 Algae and Zoophytes, Down and Antrim coasts, Killery Bay, 1840, W. T. 

 Two small specimens {^ inch in height) of this sponge were found 

 attached to the carapace of a living spider crab [Stenorhi/ncus phalanc/ium) 

 dredged in Belfast Bay. This species is generally distributed on the 

 Irish coasts. 



G. hotryoides, Ellis and Solander. 

 On various AlgJB and Zoophytes on Down and Antrim coasts ; Strang- 

 ford Lough, W. T. See remark on this, G. compressa, and G. ciliata, 

 under Hal. incrnsfans : but they are found in rather deep water, as well as 

 between tide-marks. Killery Bay, 1840, W. T. 



G.Jistulosa, Johnst. 

 Portaferry, W. T. 



G. nivea, Grant. 

 West of Ireland, Mr. M'Calla. 



G. coriacea, Mont., 



Was found on an Anomia attached to an oyster dredged at Killough, 

 Downshire, March, 1835, W. T. 



Getms Dysidea. 

 D.frar/ilis, Mont., 



Belfast Bay, Mr. Templeton. On tangle-root, Bangor, 1835, W. T. 

 Dredged in Belfast Bay, August, 1840, Mr. HjTidman. Strangford 

 Lough, from 20 fathoms, June, 1846, G. C. H. and AV. T. 



