.02 .0 



Degree of 



7 ,12 .17 



Equality in Per Cent 



Plate 25 



Spine Index 



Average of 



NOLICHUCKY, FRENCH BROAD, 

 TENNESSEE RIVERS 



Height of Spines 



Distance Between Spines 



Groups 19-27 



NOLWHUCKY 



Group /9 ^^.^^^.H 

 \jroup 20 mnf/"t/"/"'//»t//f////- 



FRENCH BROAD 

 Group 21 -,^»^m„0m,,^t^ 



rSNAJ£SS££ 



Group 22. 



Group 23 <w%<vs»vw» 

 Group 2U 



Group 25 _____ . 



Group 26 



up 



27 



-.20 



.47 



.52 



S ■ ^rpd'/^/-r/7Ce, c/e/ 



