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On Jurassic and Cretaceous fossils from Nortli-East Greenland. 4(S7 



specimens of similar dimensions, whicli seem to be nearly related 

 to it. This is also the case with a small cast, which shows the 

 sutme-line very distinctly. This line is simple 

 on the whole and forms a broad external lobe, 

 which is divided by a short, but broad siphonal 

 saddle. After the external lobe comes the broad, 



„ Fig. 2. The suture-line ol 



slightly bilobed external saddle, the in^st lateral cardioceras aitcnums v. 

 lobe is deep, rather narrow and ends in 3 lюints, ^^^''''" ^p- Height oi tiu- 



^^ ^ whorl mm. 



the middle one being comparatively long. The 



first lateral saddle is fairly broad and quite sliglitly bilol)ed. The 



second lateral lobe is very short and small and has but few, faint 



teeth. The second lateral saddle is likewise very small and only 



slightly indented. The remaining part of the suture-line is somewhat 



indistinct. 



Three other specimens from the same locality have ribs, which 

 are unusually strong, especially in the middle of the sides and in 

 the neighbourhood of the external side; they agree well with speci- 

 mens from Skodde Bay in Nova Zembla, which I have seen in the 

 Stockholm Riksmuseum. This is also the case with 2 specimens, 

 found in loose-lying .sandstones at "4. Sænkning" on Store Koldewey 

 Island. 



A couple of imprints in the yellowish, fine-grained sandstone 

 from Muschelberg on Hochstetter's Foreland likewise belong to this 

 species. One of the imprints is to some extent complete and is very 

 similar to the first-mentioned imprint from "Kløft I" on Store Kolde- 

 wey ; the ribs however are on the whole more distinct on the sides, 

 especially on the older parts of the shells. 



Distribution. North -East Greenland: "Kløft Г' on Store 

 Koldewey (8 spec). In loose-lying sandstones at "4. Sænkning" on 

 the same island (2 spec). — Hochstetter's Foreland (2 spec). 



Europe: this .species has a wdde distribution on the boundary 

 between the Oxford and Kimmeridgian deposits. 



(i(i. Cardioceras Nathorsti Lundgrex sp. 

 PI. XXXV, fig. 10. 



1883. Ammonites {Amaltheiis) Nathorsti Lundgren, Jura- und Trias-Fossilien, p. ü ; 



PI. 1, figs. 1-2. 



Some incomplete, more or less compressed casts from the "Kløft И" 

 agree quite well with Lundgren's description and figures of this 

 species. — Thus, the shell has also originally been greatly com- 

 pressed. The ribs are frequently unbranched, fairly strong and sharp; 

 on the sides they are only slightly bent; on the external side they 

 curve somewhat abruptly forwards and disappear before they reach 



35* 



