IV 



TABLE OF CONTENTS 



Page 



Chapter V. The plankton of Lake Monona 104 



Net plankton : 104 



Organisms of net plankton 110 



Nannoplankton 112 



Organisms of nannoplankton 118 



Total plankton 119 



Organic matter per unit area 122 



Chapter VI. The plankton of Lakes Waiibesa and Kegonsa 124 



Lake Waubesa 124 



Net plankton 124 



Organisms of net plankton 128 



Nannoplankton 130 



Organisms of nannoplankton 135 



Total plankton 137 



Lake Kegonsa 139 



Chapter VII. General summary and discussion 141 



Net plankton 142 



Nannoplankton 146 



Total plankton 148 



Discussion of results 150 



Chapter VUl. Chemical analyses of various organisms 158 



Plants 159 



Animals 165 



Ash analyses 179 



Appendix — Tables 181 



Index 220 



