i8 



University of Michigan 



Habitai 22. Hardwood Spring. Near the edge of a patch 

 of hardwoods north of Norway a small, swampy spring forms 

 the head of a small brook flowing into Pine Creek. The 

 mucky bottom was carpeted with a thick layer of caddis-fly 

 and annelid tubes, and the swampy banks were grown up with 

 sedges and a few plants of the blue flag (Iris versicolor). 



Table III. Habitats of Small Streams 



South Creek 



Habitat 2j. South Creek. This creek flows through the 

 cedar and tamarack swamps in the valley of the West Branch 

 and empties into that river opposite the mouth of McKinnon 



