168 APPENDIX. 



Terebratula caput-serpentis. 

 Spitzbergen. 



Terebratella spitzberoexsis. 



Spitzbergen (Dr. Gray? C'a^. of Mollusca in Brit. Mus., 

 p. 91). 



Synoicum tukgens. 



North side of Spitzbergen, taken up in tlie trawl. This 

 new genus and new species, belonging to the Tunicated 

 mollusca, was found on Phipps' expedition. It is described 

 and figured in the appendix of the narrative of that voyage 

 (pp. 190, £00, tab. 13, f. 3). For a more detailed account of 

 this curious genus, with dissections, see Savigny's Memoires 

 8ur les animaux sa?is vertehres, ii, pp. 180, 181, pi, xv. 



ASCIBIA GELATIA'OSA & A. rustica. 



North side of Spitzbergen (Phipps, pp. 194, 195). 



RAD I AT A. 



ECHINODERMATA. 



Asterias papposa. 

 Found during the expeditions of Phipps and Parry. 



Asterias bubens. 

 North side of Spitzbergen (Phipps, 196). 



Asterias glacialis. 

 During Parry's expedition some verj^ fine specimens of 

 this sea-star were taken in a drag net, from a depth of eighty 

 fathoms in lat. 81° 6' N. (Sir J. C. Ross. App., p. 203.) 



OpHIOLEPIS FRAGILIS. 



North side of Spitzbergen. This seems to be one of the 

 species described in Martens. 



