118 Scientific Proceedings, Royal Dublin Society. 



Tentacles — Those of the first, second, and third rows are always 

 opaque snow-white, except at the back and tip ; and even there only 

 pellucid when much extended ; those of the fourth row are some- 

 times similar to the others and sometimes furnished with an orange 

 core above; and below, just at the base, with a pellucid round spot, 

 which is conspicuous when the light shines through. 



Mouth — Lip and throat ashy-white, with denser white spots on 

 the tops of the ridges on the lip. 



Dimensions. 



Height — One inch. 



Diameter — Of column, three-quarters of an inch ; of disk, some- 

 times rather more. 



Distribution. 



Sagartia nivea has been recorded as found in the following 

 localities : — 



South-ioest Coast of England : — 



Torquay, P. H. Gosse. 



Dartmouth, . . . . E. W. H. Holdsworth. 



Clovelly, Charles Kingsley (on oysters 



trawled) . 



Morte stone, George Tugwell. 



Ilfracombe, P. H. Grosse. 



Lundy, George Tugwell. 



Coast of Wales : — 



Tenby, P. H. Gosse. 



St. Gowan's Head, . . . P. H. Gosse. 



East Coast of Ireland : — 



Dalkey Island, . . . . G. T. Dixon. 



South Coast of Ireland : — 



Crookhaven, E. P. Wright. 



West Coast of Ireland : — 

 Miltown Malbay, . . . E. J. Foot. 



Channel Islands : — 



Guernsey, E. W. H. Holdsworth. 



