























650 

 EDO 

 550 

 500 

 450 



m 



350 



300 



250 



200 



;jl50 



I 



10 



feioo 



c 





















Plate 22 



Spine: Index 



Average of ^^^'""^ °^ 5"'^" 



Distance Between Spines 



POWELL RIVER 























































J 



H; 















/ 



\ 





3 









Group 



Group /. . 

 Group 2 . 

 Group 3. . 

 Group 4. . 

 Group 5. , 



3 1-5 







// 



^ 



f 



X 













// 



/ 



\/'y 



\ X 









► »-♦ 





// 



/ 

 / 



'V 





















/ 



-A-f 



^\ 



"^^1 



I 



X 

















/ J- 



^ 



\ 



V \ 



X 

 X 

 X 















1 



/ 



f 



f 



\ 



V 



\ X 















' 



i* -' 



1 



1 



\ 



\ 



\ X 



\x 















1 







7 



4 

 5 



^ 



r 

 < 







"^^ 





?^ 



4 



5 











.0 



2 



Degr 



.07 J2 .17 ^2 .27 .3 



:e of Equality in Per Cent. 



2 Z7 AZ .47 .52 .5 7 .62 



Plate 25 



Spine Index 



Height of Spines 



Distance Between Spines 



NOLICHUCKY. FRENCH BROAD, 

 TENNESSEE RIVERS 



1 Groups 19-27 



kouchucxy 



Group f9 ^4..t..t..t.H 



Group 20 .„,...mmm 



FK£NCH enoAD 

 Group 21 — ■ — ■»■■- 



Group M 



Group 23 ^^ % »s%%M» 

 Group !'! 



Group 25 .^ — _ . 



Group !6 



Group a? 



.47 



.52 



