
PEATE, 6: 


Bi 
Fig. 1. Osteolepis Macrolepidotus, Agassiz. Top view of crushed head 
showing also the scaled lobe of the right pectoral fin. 
Fig. 2. Eusthenopteron Foordi, Whiteaves. Principal gulars showing 
area of over-lap of media! gular. 5a 
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