MORCII ON THE MOLLUSCA OF GREENLAND. 133 



208. M. laevigata, Gray, Parry's Voy. Wood. (Gr. Bibibi- 

 arsuk.) 



Mytilus discors, Fabr. (Modiolaria) Bk. non L. 



209. M. corrugata, Stimpson, Conch. N.Engl., 1851. (Godt- 

 haab, 50 to 60 fathoms., Holb.) 



Modiola discors, Gould, p. 130, f, 184, non L. 



210. M. (Dacrydium) vitrea, Holb. & Moll. (Sukkertop- 

 pen, at 100 fathoms, HolboU.) 



211. Crenella decussata, Mont., var. 



Modiola ? cicercula, Moll. 



212. Mytilus edulis, L. Fabr., var. (Gr. Uilok.) 



Mytilus edulis exornatus, Ch., XI., f. 2024. 

 M. borealis. Lam., No. 25 ? 

 M. exornatus, Pfr., Register. 



213. Limatula sulculus, Leach. Loven. 



Lima sulcata, Moll. 



L. conclusa, Moll. Beck, 1847. 



214. Pecten islandicus, Moll. Ch. (Gr. Kirksoaursak.) 



junior P. Pabrieii, Phil. 

 (215.) var. costis elevatis latis. 



216. P. (Pseudamussium, snbgen.) groenlandicus, Sow., Thes. 

 Loven. 



P. yitreus, Gray, Parry's Voy., non Ch. 



The AcALEPHJE and Hydrozoa, which follow here in the 

 Appendix No. 4 of Rink's *'Gronland," &c., 1857, pp. 95-98, 

 were then enumerated by Dr. Morch, with their synonymy 

 mostly after O. Fabricius' MSS. : they are now given in a Re- 

 vised Catalogue by Dr. LtJTKEN further on, pp. 187-190. 



Brachionopoda. 



217. Rhynchonella psittacea, Ch. Gm. Terebratula, Moll. 



218. Terebratella Spitzbergiensis, Davidson. (Inside dead 

 Rhynchonell(E and Balani.) 



219. Terebratulina septentrionalis, Couthouy. T. caput-ser- 

 pentis ? 



220. Terebratula cranium, Miill. ( 1 08-228 fathoms, Wallich.) 



Greenland Names for Mollusca, &c. 



Ajuaursak ; from Ajuck, a blain or boil ; Cemoria, Tectura^ &c. 

 Akoperursah, from Akopiuf, an animal which sits on its back ; 



Velutina. 

 Amikok, from Amek, a skin or hide ; Gonatus Fabrici% Licht. 

 Ainikorsoak, the same. 

 Amikoungoak ; Gonatus amcenus, Moll. 

 Ataursak ; Clio limacina. 

 Augursak, the same. (A ram.) 

 Bibibiarsiik ; Modiolaria IcBvigata. 

 Daitsimetit, see Tessermetut. 

 Imab Imata o, heart of the sea ; Chrysaora pontocardia. 



