A CARBONIFEROUS FAUNA FROM NOWAJA SEMLJA. 181 



shows no evidence of having inhabited an isolated basin, nor does it bear any affinities 

 to the Lower Carboniferous fauna of North America. 



A still closer agreement obtains between it and the Lower Carboniferous fauna of 

 the Moscow and Donetz basins * and of Western Europe, but this is obviously due to 

 these regions being more accessible than the Northern Urals to exhaustive palseonto- 

 logical studies. Comparison with Struve's list shows a striking resemblance to the 

 lower portion of the Giganteus zone in the Moscow basin (" Kalkstein mit Stigmarien "), 

 but of course this may be due to nothing more than mere similarity in the conditions of 

 deposition. 



In spite of the fact that Cape Cherney lies very far from the typical Lower Carboni- 

 ferous districts, its fauna shows very few characters peculiar to itself. The maximum 

 isolation appears to obtain in the Corals, but it is still possible that those forms which 

 are new may at some future date be found in the Northern Urals.t 



The Brachiopods are closely allied to those of the typical Lower Carboniferous 

 districts, and if I have ventured to establish a few new species and left others unnamed, 

 the greater number of them are undistinguishable from their representatives as developed 

 elsewhere. The other groups are likewise represented by forms which appear to be 

 remarkably cosmopolitan, and call for no special remarks. 



In the following table the sign + denotes the presence of species believed to be 

 identical with those described in this paper, and cf. indicates that nearly allied or 

 vicarious species are probably represented. 



* See Struve's list in " Schichtenfolge in den Carbonablagerungen im stidlichen Theil des moskauer Kohlen- 

 beckens," Me'm. Acad. Imp. St Petersbourg, 1886 ; and " Excursion XVI.," by Messrs Tschernyschew and Loutougin, 

 in Guide des Excursions du VII me Congres Ge'ologique International, 1897. 



t See notes by Mr R. G. Carruthers. 



[Table. 



