Part III. 



Density distributions for unionid species at Case-IH 

 (RM 488.5) from 1985, 1987, and 1994. 



Description Page 



Figure C-20 : Amblema plicata - Three ridge C-24 



Figure C-21 : Megalonaias nervosa - Washboard C-25 



Figure C-22 : Quadrula qnadrula - Mapleleaf C-26 



Figure C-23 : Quadrula pustulos a -Vim^XobdiQk C-21 



Figure C-24 : Leptodea fragilis - Fragile papershell C-28 



Figure C-25 : EUipsaria lineolata - Butterfly C-29 



Figure C-26 : Obliquaria reflexa - Three horn C-30 



Figure C-27 : Truncilla truncata -DQQriOQ C-31 



Figure C-28 : Truncilla donaciformis - Fawnsfoot C-32 



Page C-23 



Whitney et al , Unionid Sunev - Pool 15 UMR 



