APPENDIX 



!01 



Table 39. The range of variation in the percentage and in the quan- 

 tity of crude protein in the net plankton of Lake Waubesa. Compare 

 with Lake Mendota, table 8, and with Lake Monona, table 31. 



Year 



Number 



of 

 Analyses 



Per Cent of Crude Protein 

 in Organic Matter 



Milligrams of Crude Protein 

 per Cubic Meter of Water 



Maximum 



Minimum 



Mean 



Maximum 



Minimum 



Mean 



1913 

 1915 

 1916 



2 



4 

 12 



53.6 

 50.7 

 51.2 



46.7 

 32.1 



36.4 



50.0 

 46.6 

 46.9 



1,012.5 



2,148.1 

 1,360.0 



868.0 

 507.5 

 225,6 



940.2 



1,497.8 



522.5 



Table 40. The range of variation in the percentage and in the quan- 

 tity of nitrogen in the nannoplankton of Lake Waubesa. Compare with 

 Lake Mendota, table 18, and with Lake Monona, table 34. 



Year 



Number 



of 

 Analyses 



Per Cent of Nitrogen in 

 Organic Matter 



Milligrams of Nitrogen per 

 Cubic Meter of Water 



Maximum 



Minimum 



Mean 



Maximum 



Minimum 



Mean 



1915 

 1916 



4 

 12 



10.00 

 9.27 



7.10 

 5.36 



9.03 

 7.41 



555 . 5 



448.0 



217.9 

 54.6 



384.7 

 220.5 



Table 41. The range of variation in the percentage and in the quan- 

 tity of crude protein in the nannoplankton of Lake Waubesa. Compare 

 with Lake Mendota, table 19, and with Lake Monona, table 35. 



Year 



Number 



of 

 Analyses 



Per Cent of Crude Protein 

 in the Organic Matter 



Milligrams of Crude Protein 

 per Cubic Meter of Water 



Maximum 



Minimum 



Mean 



Maximum 



Minimum 



Mean 



1915 

 1916 



4 

 12 



62.5 

 57.9 



44.4 

 33.5 



56.4 

 46.3 



3,471.9 

 2,800.0 



1,361.9 

 341.2 



2,404.4 

 1,378.1 



Table 42. The range of variation in the percentage and in the quan- 

 tity of ether extract in the nannoplankton of Lake Waubesa. Compare 

 with Lake Mendota, table 20, and with Lake Monona, table 36. 



Year 



Number 



of 

 Analyses 



Per Cent of Ether Extract 

 in the Organic Matter 



Milligrams of Ether Extract 

 per Cubic Meter of Water 



Maximum 



Minimum 



Mean 



Maximum 



Minimum 



Mean 



1915 

 1916 



4 



8 



5.28 

 8.13 



3.35 

 1.48 



4.61 

 4.68 



308.0 

 134.7 



102.7 

 61.5 



193.0 

 85.1 



