CONTENTS 



Page 



Introduction 17 



Equipment 21 



Methods 22 



Acknowk-dLnnt'nts 24 



Chapter I. Topography and Hydrography of Lower South Bay. . . '. 27 



General Discussion 27 



Description of Characteristic Bottom Areas 33 



Boulder and Gravel Areas 33 



Sand Bottom Areas 35 



Clay Bottom Areas 37 



Mud Bottom Areas 37 



Chapter II. The Plant Associations of Lower South Bay. . . 45 



Introduction 45 



Description of Characteristic Plant Habitats 47 



1. Low, Swampy Shores, well Protected 47 



2. Low Shores, partly Protected, with Clay or .Sand Bottom 49 



3. Pond-like Areas 49 



4. Sandy or Rocky Exposed Shores 49 



5. Submerged Vegetation 51 



Description of the Habitats and their Gross Vegetation 54 



1. Dunham Island 54 



2. Lower South Bay 56 



1 . Long Point 56 



2. vShort Point Bay 59 



3. Conway Point 61 



4. Short Point 61 



5. Lower South Bay 61 



6 The Deeper Water Habitats of Lower South Bay. . 70 



3. South Shore of Lake East of Norcross Point 73 



1. Norcross Point Shore 73 



2. Deep Water Area between Norcross Point and Dun- 



ham Island 73 



[II] 



