APPENDIX 



199 



Table 32. Variations in the percentage and in the quantity of ether 

 extract in the net plankton of Lake Monona. Compare with the net 

 plankton of Lake Mendota, table 10. 



Table 33. A summary of the variations in the percentages of ash 

 and of silica in the net plankton of Lake Monona. Compare with Lake 

 Mendota, table 14. 



Table 34. The range of the variations in the percentage and in the 

 amount of nitrogen in the nannoplankton of Lake Monona. Compare 

 with the net plankton, table 30, and with the nannoplankton of Lake 

 Mendota, table 18. 



Table 35. The range of the variations in the percentage and in the 

 amount of crude protein in the nannoplankton of Lake Monona. These 

 results are based on those given in table 34. Compare with the net 

 plankton, table 31, and with the nannoplankton of Lake Mendota, table 

 19. 



Per Cent, Ash Free 



Maximum Minimum 



70.4 

 63.0 



37.0 

 22.4 



Mean 



63.1 

 51.3 



MiUigrams per Cubic Meier 

 of Water 



Maximum Minimum Mean 



2,578.1 

 3,588.8 



275.6 

 221.2 



1,476.5 

 1,208.2 



