■ ECOLOGICAL CROSS SECTION OF THE MISSISSIPPI. 



245 



SOURI ( ILLINOIS 



Bluff 



Lowland River 



Lowland 



Bluff 



Upland 



15 



16 



17 



5 



18 



19 



11 



12 



12 



20 



21 



22 23 



26 



25 



14 



11 



12 



12 



11 



18 



24 



16 



15 



14 12 



7 



6 











± 





1 











1 







n 





± 





















J 



















2 







Fr 



Jl 



Ag 





H- 











H- 















1 

















3 







|Fr 



My 

























± 



± 





± 



+ 















4 









Fr 



Jl 



Ag 









± 





± 











± 



± 





±\±i 













5 









Fr 



Je 



Jl 







■ 



± 





± 









+ 







r 



1 



±! 













6 









Fr 



3 













± 















± 







di 

















7 









Fr 



Ag 



S 



+ 





1 



± 





± 







it 





± 







J- 

















8 









± 



di 



Fr 



± 



Ag 









+ 







d= 









1 



















9 









Fr 



Je 



Jl 



J 





















1 























10 







1 



Fr 



Je 



Jl 









1 











1 





1 











^ 













11 





1 



Fr 



Je 



Jl 



1 











1 





1 





+ 



1 



1 



1 



i 



1 



1 



1 



1 



1 

 1 









1 



i 



12 

 13 

 14 

 15 





1 



] 



Fr 



My 

 Fr 

 Fr 

 Fr 



Je 



Ag 

 Ag 

 Ag 





4 





+ 





+ 







+ 













1 



1 













16 



1 







Fr 



Jl 



S 



± 











, 







1 





± 



+ 







± 













17 









Pr 



± 



Ap 



N 



1 













it 





1 



+ 



± 







± , 













18 







' 



Fr 



± 



Ag 



N 



± 



L 













i 





± : 



± 





± 



± 





± 



± ' 









19 



Fr Je 



Ag 



± 



± 



+ 



+ 



± 



di ± 





± 



± ± 



± 















-h 













20 







Fr 



+ 



Je 



Jl 



+ ^ 







1 



■ 







1 

















+ 









X 



24 



21 

 22 

 23 



X 







Fr 



Fr 



4- 

 Fr 



Fr 



Je 



Jl 

 Jl 

 Jl 



Jl 



Ag 

 Ag 

 S 



-f- 





■ 







1 















± 



















= 



25 







Fr 



Je 



S 



di 

















± 





























26 









Fr 



Je 



Jl 



+ 









-f- 





+ 















1 



± 













27 



28 



4- 





Fr 

 Fr 



± 

 ± 



Jl 

 Jl 



Ag 

 Ag 



± 

 + 

























± 





1 



± 













29 

 30 



± 



± 



Fr 

 Fr 



± 

 ± 



Jl 

 Jl 





 Ag 



it 











1 











± 



± 





















31 







± 



± 



Fr 



S 



O 







± 





it 







± 



ri 



± 



± 





















32 







1 



± 



± 



± 



Fr 



s 



o 



± 





+ 





1 



± 















+ 



1 











33 



H- 



Fr 



H- 



Ag 



S 



+ 





1 





















1 



1 







> t 









1 

 ] 



34 

 35 











Fr 

 Fr 



Je 

 Ag 







m 























1 











1 



1 



1 



36 







1 



— 



Fr 



Ag 1 



■ 











u 















1 

 1 











1 





1 

 1 



37 





1 

 1 























W 













1 







X 













38 





1 

 1 







X 







X 





















1 



1 







1 







1 





39 









— 































± 







± 





± 









40 



± 



Fr 



± 



± 



S 







± 



























1 



! 







1 











41 





Fr 



X 



Ag 



s 





X 

























1 



1 

 1 

















42 



± + 



Fr 



± 



Ag 



8 





























1 



1 

 1 





± 













43 



± + 



Fr 



± 



Jl 



Ag 



± 































i: 













44 



± 



it 



Fr 



± 



Jl 



Ag 



± 



























1 





± 













45 



± 



± 



Fr 



± 



Jl 



Ag 



± 

























± 







± 

 i: 



1 











46 

 47 



48 

 49 



± 

 ± 



± 

 ± 



± 

 Fr 



Fr 



Fr 



± 

 ± 

 ± 

 ± 



Fr 

 Jl 

 Je 

 Je 



Jl 

 Ag 

 Jl 

 Jl 



± 

 ± 

 ± 

 ± 



Ag 





















+ 



















50 









Fr 



Jl 



Ag 





+ 









+ 





+ 





* 





+ 











+ 









51 







Fr Jl 



Ag 



+ I 



+ 









+ 









