482 J. P. J. Ravn. 



56. Amberleya groenlandica n. sp. 

 PI. XXXV, fig. 5. 



The shell tiirhinate with slightly arched whorls. Almost on the 

 middle of the whorls a strong spiral ridge heset with a series of 

 fairly large nodes; nnder this ridge and a little ahove the lower 

 suture a similar spiral ridge with more numerous and smaller nodes; 

 the interval between these ridges slightly excavated. The region 

 between the upper suture and the upper ridge greatly excavated. 

 Almost in the middle of this region, but a little nearer the suture a 

 series of scattered nodes almost of the same size as those on the 

 lower spiral ridge. The whole of the surface, further, covered with 

 line transverse ribs, at fairly regular distances from one another. 

 The under-surface of the last whorl preserved rounded and with a 

 number of raised spirals. Form of the mouth not observed. 



Height 11 mm, thickness 10 mm. 



I have not been able to refer the species described to any species 

 known to me. In the Munich Museum 1 have seen some shells from 

 Vaches noires (Calvados), which are labelled Kiicijclus (Littorina) 

 Meriani Goldf., a number of which have a considerable resemblance 

 to the Greenland specimen, but the region above the upper ridge is 

 Hat and not excavated; further, the underside of the whorls is more 

 strongly arched and there are also 2 rows of nodes over the upper ridge. 



Distribution. North -East Greenland: in a loose-lying stone, 

 found 50 m above the sea down from "Trækpasset" on Store Kolde- 

 wey Island (1 spec). 



Ö7. Amberleya Jasicofiana d'Ohbkîxy sp. ? 



184.'). Turbo Jasicofianns d'Ohbigny in Murchison, Veuneuil et Keysekling, Géologie 



de la Russie d'Europe. II. 

 p. 451: PI. 37, figs. 19-20. 



\ single cast of an Ainheiieija seems to agree j)erfectly with casts 

 of this species which 1 have seen in Munich Museum, and which are 

 stated to have come from Mniowniki at Moscow. For a certain 

 determination, however, the material is too imperfect. 



The last of the whorls preserved has borne 3 or 4 spiral ridges. 

 The cross-section of the whorl is rounded, its height a little greater 

 than the breadth. 



Distribution, North -East Greenland: in a loose-lying stone 

 from "4. Sænkning" on Store Koldewey Island (1 spec). 



58. Natica sp. 



Some imperfect Natica shells (6 spec, from "4. Sænkning" and 

 2 spec, from "Kløft I" on Store Koldewey Island) cannot be deter- 



