Contents. 



Page 

 5 



s 



15 



16 

 20 



Prtelace 

 Introduction 



1. Fish Remains from Series D S 



MiHTopetalichthys Sulieii, new spec-ies . . . . . 9 



Stratigraphical results of Series D . 

 II. Fish Remains and other Fossils from Series E . . 

 L a m e 1 1 i b r iuu- li i a t a . 



Plitonia cf. eylindriea Hall . . .20 



Pisces.. ... . , ..21 



Psammostei dae . .... 21 



Psammosteus arcticus new species . . 23 



— complicatus new species . . 20 

 Concerning Drepanaspis Gemlindenensis SchiiU. . ... 29 



General remarlcs on the two new Psammosteus species .... .34 



<-' c c o s t e i d a e . . . . . . . 38 



Great Coccosteomorpli form ... . .38 



A s t e r o 1 e p i d a e . . . . .39 



Bothriolepis cf. hydropliila Ag. . . . . . . 39 



Bolhriolepis (?) species . . . . ... ... . 43 



Hoioptycliiidae . . .. .. 44 



Holoptychius Schei new species . . . . ... 44 



— cf. tuberculatns Newb. . . 4.5 

 Glyptolepis cf. pancidens Ag. . . . . . 45 



Teeth with dendrodont structure . . . . 47 



Riiizodontidae .... .. . ... .48 



Tooth with rhizodont structure .... 48 



Osteolepidae .. . . . 48 



Osleolepis sp. . . . . . . 48 



Stratigraphical results of Series E. . . 48 



Distribution of the fauna in the I'ossiiiferous liorizons . . .48 



Changes of facies and biological conditions ..... .50 



Conditions of age . . . 53 



Geographical conditions of fauna . . ... . . . 54 



