EXPLANATION TO PLATE 55. 



TENNESSEE RIVER. 



Group 27 (in part). Tjots 148, 140, 1S7, and 14S, extending from Bridgeport to near Dod 

 sonville, Ala. These are tunita. 



Figs. 1-4, 9-12, 17-20, from lot 143. 

 Figs. 5-6, from lot 146. 

 Figs. 7-8, 13-14, from lot 1S7. 

 Figs. 15-16, 21-24, from lot 14,S. 

 Upper row redueed 1/4, lower row reduced 1/5. 

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