590 Karl A. Grönwai.l. 



The Distribution of the Brachiopod Fauna on the two horizons 

 of the Carboniferous deposits of North-east Greenland. 



As shown by the table above, the Brachiopod Fauna consists of 

 24 species of determined forms, to which should be added the two 

 species of Strophalosia, so that, for the purpose of this comparative 

 survey we have 26 species, 9 of which occur in the Lower, and 17 

 in the Upper group. It should be specially observed that no forms 

 are common to the two groups. 



The Lower group contains the following species: 

 Spirifer supramosquensis Nikitin. 



— Fritschi ScHELLW. 



— falmari n. sp. 



— rectangiilus Кит. var. alta n. var. 

 Martinia corculum Кит. 



Chonetella nasuta Waag. 

 Productiis longispinus Sow. 



— simensis Tschern. 



— punctatiis Martin. 



The Upper group contains the following species: 

 Rhynchopora Nikitini Tschern. 

 Camarophoria cfr. Karpinskii Tschern. 

 Athyris Royssii L'Eveillé. 

 Spiriferina Mylii n. sp. 

 Spirifer n. sp. ex afF. Sp. duplicicostœ Phill. 



— cfr. striatus Martin. 

 Reticalaria lineata Martin. 

 Strophalosia sp. indet. N:o 1. 



- sp. indet. N:o 2. 



Product us boliviensis D'Orr. 



— inflatus M'Chesn. 



— compressus Waag. 



— cancriniformis Tschern. 



— Wallacianus Derby. 



— Lovéni Wim an. 



— pseudohorridus Wiman. 



— timanicus Stuck. 



These fossils, however, are found so scattered throughout the 

 profiles, and often in talus boulders, that we cannot positively assert, 

 as regards these lists, that the fossils given in them belong to any 

 determined geological horizon, but that they rather belong to a com- 

 plex of beds which, stratigraphically, are not more nearly determined 



