126 MORCH ON THE MOLLUSCA OF GREENLAND. 



39. M. Olrikii, Morch. Aff. JE. "gymnotce, Couthouy, 



sed utrinque fasciculis c. xii. fasciculorum papillis 

 confertis, in linea recta transversa digestis ; dorso nudo. 



40. Galvina rupium, Moll. 



41. Campaspe pusilla, Bergh. 



42. Cratena hirsuta, Bergh. 



43. Limapontia .^ caudata, Moll. According to Fabricius. 

 Ordo V. — Pteropoda, Cuvier. 



44. Clione limacina, Phipps. (Gr. Augursaky Ataursak.) 



Clione papilionacea, Pallas. Clio retusa, Miill., Fabr. Clio 

 borealis, Brug. 



45. Limacina helicina, Phipps. (Gr. Tullukaursak?) 



L. helicialis, Lam. Argonauta argo?, Miill., Prod. Arg. 

 arctica, Fabr. 



46. Heterofusus balea, (Limacina) Moll. 



Spinalis Gouldii, Stimpson, Shells of New Engl., p. 27. 



47. Clio pyramidata, L. (Mouth of Davis's Strait; Hol- 

 boll & Rink.) 



Classis n. — DioiCA, Latr. 



Ordo I. — Tsenioglossata^ Troschel. 



48. Onchidiopsis groenlandica, Bergh. 



49. Marsenina groenlandica, (Sigaretus) Moll. 



Marsenia groenlandica, Bergh. (Bk.), t. v., f. 12? Oxynoe 

 glabra, Couth,, probably. 



50. M. (Oithonella, subgen.) micromphala, Bergh. (Pro- 



bably the same as No. 49.) 



51. Velutina (Velutella, subg.) flexilis, Mont. Lask. 



V. plicaiilis, Loven, non Miill. quse Akera hullata (Fabr.) est. 



62. V. (Velutina, Flem., subgen) lanigera, Moll. Sars. 



Helix haliotoides, Fabr., teste MS. auctoris. 

 53. V. haliotoides, (Helix) Miill. Moll. Loven. 

 (54.) var. grandis. Nerita bullata,Ch., X., p. 307, f. 1598-9. 



Bulla neritoidea, Ch., 1. c, lin. 20. (Julianehaab). 

 55. V. (Morvillia, subg.) zonata, Gould. (Godthaab, Holb.j 



Galericulum undatum. Brown, teste Gould. 

 (56.) var. grandis. Velutina canaliculata, Bk., 1847. (Arsut, 

 Barrett.) 



57. Lacuna (Epheria, subg.) vincta, Mont. 



Turbo divaricatus, Fabr. non L. Lacuna, Moll. Lov^n. 



58. L. glacialis, Moll. Middendorf. 



59. L. (Temana, subg.) pallidula. Da Costa. Moll. 



60. Littorina groenlandica, Ch. Mke. 



Nerita littorea, Fabr. T. Davidii, Bolt. L. castanea, Desh. 

 (61.) var. laevior. N«rita littoralis, Miill., Prod., 2953. 

 Fabr. 



Lit. palliata, Sars. Lit. arctica, Moll. 

 *62. L. obtusata, L. An. monstrum praecedentis ? 



63. Natica affinis, (Nerita) Gm. 



Natica clausa. Sow. N. septentrionalis, Bk. Moll. N. con- 

 solidata, Couthouy. 



64. Mamma (Lunatia, subg.) groenlandica, Bk. Moll. 

 Loven. 



Natica pallida, Brod. & Sow. ? 



