BOTTOM COMMUNITIES 



Representatives of the Bare Sand Community 

 Fig> 72 — Straw-colored minnow (Notropis blennius) (from Forbes and Rich- 

 ardson). 



FlG< 73 ._Snail (Pleurocera subulare) crawling over sandy bottom; slightly 

 enlarged (photographed in aquarium). 



FlG> 74 ._Large-mouthed black bass {Micropterns salmoides), juvenile; natural 

 size (original). 



