3812 Radiata. 



Lesser Sand-star, O. albida, (Ophiura albida). Less abundant. . 



Gray Brittle Star, O. elegans, (Ophiocoma neglecta). Tolerably 

 common. 



Daisy Brittle Star, Ophiopholis aculeala, (Ophiocoma Bellis). 

 Abundant. 



Goodsir's Brittle Star, O. Goodsiri, (Ophiocoma Goodsiri). One 

 obtained in Zetland by Forbes and Goodsir, from deep water. 



Granulated Brittle Star, Ophiocoma nigra, (O. granulata). Common. 



Common Brittle Star, Ophiothrix fragilis, (Ophiocoma rosula). 

 Very common. 



Order III. — Cirrhigrada. 



Family 1. — Asteriidce. 



Common Cross-fish, Asterias rubens, (Uraster rubens). Very fre- 

 quent. 



Violet Cross-fish, A. violaceus, (U. violaceus). Not frequent. 



Spiny Cross-fish, A. glacialis, (U. glacialis). Rare; one dredged 

 by Mr. R. Heddle. 



Family 2. — Astropectenidce* 



Butthorn, Astropecten irregularis, (Asterias aurantiaca). Occa- 

 sional. 



Lingthorn, Luidia Savignii, (L. fragilissima). Not frequent. 



Purple Sun-star, Solaster endeca. Not uncommon. 



Common Sun-star, S. papposa. Common. 



Eyed Cribella, Henricia oculata, (Cribella ocnlata) . Very abun- 

 dant. 



Family 3. — Asterinidce. 



BirdVfoot Sea-star, Palmipes membranaceus. One specimen, 

 dredged in Orkney, by Mr. J. Syme. 



Templeton's Cushion-star, Porania pulvillus, (Goniaster Temple- 

 toni). Obtained in Orkney by the Rev. J. H. Pollexfen ; rare. 



Order IV. — Cirrho-spinigrada. 



Family 1. — Cidaridce. 

 Piper, Cidaris papillata. Only obtained hitherto in Zetland. 



