131 



he conclusion that it is closely related to Schlüters species, 

 and therefore differs not a little from the Greenland one. 



To the group Laeves, or perhaps to a new independent 

 group, С vareolata Lörenthey^) from the Eocene of Kres- 

 senberg must be referred. The carapace of this species is 

 much broader comparatively, and very narrowing towards the 

 posterior region ; the anterio-lateral margins carry only three 

 little spines on each side. The surface is punctate, not 

 granulated. 



From the Tuberculati group Coeloma bicarinatum n. sp. 

 differs by its almost perfectly smooth carapace. 1 have also 

 seen in the few species belonging to this group the following 

 differences. 



C. taunicum v, Meyer sp. In the museum of Göttingen I 

 have seen a specimen of this species from Breckenheim. The 

 anterio-lateral margin has only four spines. No keels are 

 found on the metabranchial lobes, but two strong nodes on each 

 side. The posterior margin is comparatively broad. The chelae 

 seem to be more slender than in the Greenland species. 



C. rupeliense Stainier. I have seen no specimen of this 

 species, and as I have not been able to procure Stainier's 

 description of it, I only know it from Stolley's^) description 

 and the figure which he has copied from Stainier. This figure 

 is however drawn from a cast. C. rupeliense Stainier seems 

 to closely resemble the Greenland species in form, but differs 

 from it in the following particulars : The two middle spines of 

 the front margin are longer than the two outer ones, the front 

 is broader, the carapace broader towards the posterior region. 

 The furrows between the different regions and lobes are much 



^) E. Lorenthey: Ueber die Brachyuren der palaeontologischen Sammlung 

 des bayerischen Staates. Termiszetrajzi Füizetek. Bd. 21. Budapest 1898. 

 p. 149; pl. 11. flg. 5. 



"") E. Stolley: 1. с p. 166; pl. 5. fig. 2. 



9* 



