CIRRHI-SPIMGRADA. 441 



specimen of Dr. Ball's is 7^ inches in diameter ; the species attains 9 inches 

 at Youghal. Dublin Bay, Dr. Ball. 



Genus LuiDlA. 

 L. fraffillissima, Forbes. 

 Deep water near Youghal, Dr. Ball ; sometimes 16 inches in diameter, 

 and with 7 rays. 



Not unfrequent at Glandore, Dr. Allman. lloundstone, Mr. M'Calla. 



ORDER CIRRHI-SPINIGRADA. 

 I^chinidcB. 



Genus Echinus. 

 E. sphm-a, Miill. 

 Of general occuiTence. Tory Island, Mr. Hyndman. 

 E. miliaris, Leske. 



On all the Irish coasts. Newcastle, Co. Down, 1851 ; two of these were 

 dredged by me from 4 fathoms in Strangford Lough, each 1^ inches in 

 length, and 1 inch in height, not reckoning spines. I have taken sevei'al 

 others of similar size up to IJ inch, the largest mentioned by Forbes. 



The form of these Echini (taken in Strangford Lough) was not " de- 

 pressed," as it is stated by that author the species always is. They are of 

 the same form as E. spluera of equal size. 



E. Flemingii, Ball. 

 In deejD water off Youghal, South- West of Ireland, Dr. Ball. 



E. lividiis, Lam. 

 Coasts of Galway and Mayo, Dr. Ball. West coast of Cork, Dr. All- 

 man. " Bantry," Cork Fauna. 



Roundstone, Mr. M'Calla. Numerous among loose-rolled stones of 

 granite — and consequently not burrowing — on the beach at Tory Island, 

 Mr. Hyndman.* 



Genus ECHINOCYAMDS. 

 E. pusillus, Miill. 



Taken many years ago in Belfast Bay, W. T. Numbers dredged from 

 20 to 23 fathoms, shelly bottom, Belfast Bay, Oct. 3rd, 1846, Mr. Hynd- 

 man. West coast of Cork, Dr. Allman. Cork Harbour, Mr. llunijilireys. 

 Roundstone, Mr. M'Calla. 



Genus Spatanous. 

 S. jno-piireus, ^Nliill. 



3fat/, 1842. — A number of fine specimens dredged uj) alive at entrance 

 of Belfast Bay, by Mr. Hyndman. In same locality, 20 to 23 fathoms, 



* Bay of Dunfanaghy, Kcv. Mr. Gallagher, 1852, also at Maliu Head, 1853.— 

 Ed. 



