608 



J. E. MA.ER ON THE PREDEVONIAN 



Fig. 5, — Diagrammatic Vertical Section^ showing the supposed 

 relations of the Colonies. 



Eel 



Dd5 



Colony on road to Vohrada . . 

 Dd5 



Colonie d'Arehiac ' 



Ddo 



Colony at Hodkovicek -i 



Dd5 



" Colonie Haidinger ' 

 Dd5 



Colonus-zone. 



Friodon-zone, 



Biplograptus-zone . 



G-rits and shales. 



Priodon-zone, 

 Grits and shales. 



Black shales : 



Trinucleus Goldfussi. 



Colonus-zone. 



Friodon-zone. 

 Diplographis-zone. 

 G-rits and shales. 



Colonus-zone, 



Priodon-zone. 

 Diplograptus-zone. 



G-rits and shales. 

 Diplograptits-zone. 

 Grits and shales. 



