BUFFALO SOCIETY OF NATURAL SCIENCES 



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A section at the old George W. Defenbaugh quarry southeast of 

 Kokomo, Indiana, shows the exact relation between the eurypterid- 

 bearing layers and the brachiopod bed (67, 7). 





FEET 



INCHES 



Heavy bedded fossiliferous limestone 



1 

 2 



1 



8 



Chert, thin, bedded, with ostracods 



I 



Thin bedded fossiliferous limestone 





Base of brachiopod horizon 1 





Darker layer of limestone 



2 



Thin bedded limestone 



IO 



Heavier bedded limestone, but thinly laminated 



4 



Thin bedded limestone 



9 



3 



Darker limestone 



Layer with merostomata 









The line of reasoning which was adopted to show that the Bertie 

 was a clastic, river-borne deposit which was spread out on the land 



-T), 



&.se of brAchiopod hariKon 



<Sur^pleri<3 horl^jon.. 



Vertical ScaU 



Fig. 7. Section Southeast of Kokomo, Indiana, Showing Distinctness or 



Brachiopod and Euryptertd Horizons 



(Data from Foerste) 



