APPENDIX 



217 



Table 50. This table shows some of the inorganic constituents of 

 the ash as determined for eighteen samples. The results are stated in 

 percentages of the dry weight of the sample. See table 49 also. 













Fe 2 3 









Lake 



Date 



Organism 



Ash 



Si0 2 



and 

 A1 2 3 



P 2 5 



CaO 



MgO 



Monona. . 



Villi, 1914 



Microcystis 



4.31 



0.13 



0.84 



1.18 



0.92 



0.63 



Mendota . 



IX 19, 1914 



Anabaena 



7.17 



0.95 



1.27 



1.21 



1.42 



0.70 



Devils . . . 



X 8, 1913 



Anabaena and 



















Coelosphaerium 



4.66 



0.27 







0.82 



0.63 



Monona. . 



VII 6, 1916 



Volvox 



6.28 



0.24 



0^80 



'2.50 



1.10 



0.93 



Mendota . 



VI 15, 1916 



Cladophora 



26.54 



7.10 



1.80 



0.32 



3.26 



1.62 



Mendota . 



VII 15, 1917 



Myriophyllum 



20.72 



1.96 



4.35 



1.18 



4.28 



1.34 



Mendota . 



XII 10, 1918 



Cyclops 



5.74 





1.43 



2.32 



0.78 



0.75 



Green .... 



VIII 22, 1913 



Limnocalanus 



4.10 



o!io 



0.10 



1.78 



0.53 



0.42 



Devils . . . 



V 15, 1916 



Daphnia pulex 



23.17 



2.84 



1.58 



3.65 



9.89 



0.49 



Monona. . 



IV 4, 1914 



Daphnia pulex 



7.62 



0.07 



0.98 



3.50 



2.25 



0.89 



Waubesa . 



V 10, 1917 



Daphnia pulex 



12.13 



1.02 



2.94 



3.37 



2.01 



0.47 



Monona. . 



VIII 5, 1913 



Leptodora 



15.50 



0.22 



1.10 



3.52 



3.22 



0.95 



Mendota . 



VIII 28, 1915 



Cambarus 



34.37 



0.14 



1.56 



2.63 



17.82 



0.57 



Mendota . 



IX 1, 1915 



Hyalella 



28.60 



0.14 



0.75 



2.73 



14.82 



0.35 



Mendota . 



VIII 28, 1915 



Hirudinea 



5.88 



0.74 



1.04 



1.73 



1.00 



0.70 



Mendota . 



VII-IX, 1914 



Zygoptera 



6.70 



0.54 



1.48 



1.50 



0.84 



0.03 



Mendota . 



IV 30, 1914 



Sialis 



4.86 



0.33 



0.46 



1.46 



0.16 



1.12 



Mendota . 



VII-IX, 1916 



Chironomus tentans 



5.14 



0.32 





2.10 



1.30 



0.46 



