140 Mr. E. A. Smith on Arctic Mollusca. 



Bulla ( Cylichna) striata^ Brown, 



lUustr. Recent Conch, ed. 2, p. 57, pi. 19. f. 41, 42. 

 B. sealpta, Reeve, Belcher's Last Arctic Voy. vol. ii. p. 392, pi. 32. 

 f. a-c. 



Hah. Found with the preceding species. 



OncMdiopsis groenlandica^ Bergh, 

 Kongelige Danske Vidensk. Selsk. Skrifter, 1853, iii. p. 346, pi. ii. 



Hah. Franklin-Pierce Bay, 13-15 fms., stony bottom 

 Hart). 



It is interesting to find this curious species, which was de- 

 scribed by Bergh from South-Greenland specimens, ranging 

 so far north as the above locality. 



EoUs salmonaceaj Couthouy, 



Boston Journ. Nat. Hist. 1838, ii. p. 68, pi. 1. fig. 2 ; Gould, Invert; 



Mass. ed. 2, pi. 18. f. 264, 265. 



Hah. Discovery Bay [Feilden). 



A single small specimen of this very pretty animal was 

 found at the above spot. It is remarkable how easily the 

 dorsal branchiae fall off with the slightest touch. 



II. CONCHIFEKA. 



Tellina [Macoma) tenera^ Leach. 



Macoma tenera, Leach (not Say), Appendix Ross's Voy. 1819, p. 175. 



Tellina proxima (Brown), Sowerby, Beechey's Voy. 1839, p. 154, pi. 

 44. f. 4; Hanley in Sowerby's Thesaurus, vol. i. p. 313, pi. 66. f. 264, 

 pi. 59. f. 115 ; Philippi, Abbild. Conch, ii. pi. iii. f. A. 



T. sordida, Couthouy, Bost. Journ. Nat. Hist. 1838, vol. ii. p. 59, pi. iii. 

 f. 11 (nee Phil. I.e. f. 6= T. calcarea, Chemn.). 



? T. crassula, Desh. Proc. Zool. Soc. 1854, p. 354. 



Hah. Discovery Bay, 5 fms. {Feilden). 

 Only an old worn shell obtained. 



Lyonsia arenosa, Moller. 



Pandorina arenosa, Moller, Naturhist. Tidsskrift, 1842, p. 93. 

 Lyonsia gibbosa, Hancock, Ann. & Mag. Nat. Hist. 1846, xviii. p. 338, 



pi. V. f. 11, 12. 

 Anatina striata, Gray, quoted by Gould, Invert. Mass. ed. 2, 1870, 



p. 6. 



Hah. Discovery Bay, 5 fms. (Feilden). 



Mr. Hancock quotes as a synonym of this species Anatina 

 striata, Gray, as described in the appendix to Ross's Voyage. 

 The shell collected by Ross, in the British Museum, obtained 



