Contents. 



Page 



Preface ."> 



Introduction 8 



I. Fish Remains from Series D 8 



Macropetalichthys Scheii, new species 9 



StratigraphicalresultsofSeriesD 1"> 



II. Fish Remains and other Fossils from Series E 16 



Lamellibranchiata 20 



Phtonia cf. eylindrica Hall 20 



Pisces 21 



Psammosteidae 21 



Psammosteus arctieus new species 23 



complicatus new species 26- 



Concerning Drepanaspis Gemiindenensis Schliit 29 



General remarks on the two new Psammosteus species 34 



Coccosteidae 38 



Great Coccosteomorph form 38 



Asterolepidae 39 



Bothriolepis cf. hydrophila Ag 



Bothriolepis (?) species 



Ho lo p ty ah iid ae 44 



Holoptychius Schei new species ... 44 



cf. tuberculatus Newb -45 



Glyptolepis cf. pancidens Ag 45 



Teeth with dendrodont structure 47 



Rhizodontidae 



Tooth with rhizodont structure 



Osteolepidae 



Osteolepis sp .48 



Strati graph ical results of Series E 



Distribution of the fauna in the fossiliferous horizons . . . 



Changes of facies and biological conditions .50 



Conditions of age 53 



Geographical conditions of fauna 54 



