WALLICH, ARCTIC INVERTEBRATA. 513 



II. From 100-250 fathoms. 



Crustacea.*; Echinodermata. 



Hippolyte polaris. Echinus sphsera. 



Gammarus arcticus. E. neglectus. 



Caprella linearis (on AlgaB). Ophiocoma bellis. 



O. granulata. 

 MoLLUSCA. O. Goodsiri. 



Ophiura texturata. 

 Acraea testudinalis. Solasier papposus. 



Chiton mermoreus. 



Natica Greenland ica. Annelida 



Lima subauriculata (East Coast, 



in sounding). Seppula contortuplicata. 



Terebella (several species). 

 TuNiCATA. Spirorbis communis. 



Boltenia picta, n.s. 



LXXII. — Some Arctic Ascidians and Echinoderms. 

 (From Dr. Sutherland's Journal, &c., Appendix. 1852.) 



AsciDiA, pp. ccxii.-ccxiii. 



Pelonaia corrugata, Forbes. Assistance Bay. 



Pelonaia sp. ? Assistance Bay. 



Dendrodon sp. ? Assistance Bay. 



Phallusia Sutherlandi, Huxley. Assistance Bay. 



Echinodermata, pp. ccxi-ccxii. 



Echinus neglectus. Assistance Bay, 7-15 fathoms. 



Ctenodiscus polaris. Assistance Bay. 



Uraster violaceus ?, Young. Assistance Bay. 



Solaster papposus, Young. Assistance Bay. 



Ophiura fasciculata, Forbes. Assistance Bay. 



O. glacialis, Forbes. Assistance Bay. 



O. sericea, Forbes. Assistance Bay. 



Ophiocoma echinulata, Forbes. Assistance Bay. 



Cucumaria Hyndmani. Assistance Bay, 7-10 fathoms. 



C. fucicoia. Assistance Bay. 



Chirodota brevis, Huxley. Assistance Bay. 



36122. 



K K 



