240 



— 3.27 — 3.33 — 3.30 — 3.38 — 3.25, which gives a more satisfactory 

 représentation of the course of events. So in studifying the graphs, 

 it must be born in mind that the quantities of diastase hâve not 

 been represented by the actual numbers, but by their logarlthms. 

 If we were to look for actual enzyme values on the curves, con- 

 fusions would be sure to anse. 



A still simpler way of graphie représentation of the results would 

 be to plot the times, taken for hydrolysis from above downwards 

 on the ordinate (see fig. 8). There is hov^ever one great drawback 

 to this method: if e. g. the time taken for hydrolysis in a séries of 

 days were the following : 2000—600—1 1 0—35—1 2— 4— 3— 3.5 min. 

 etc. (similar values are often obtained in the beginning of the ex- 

 penments), we should hâve to cook either the highest or the smallest 

 numbers to allow them to corne out in the graph at ail, and it is 

 doubtful whether we could do this successfully. When however 

 it was possible to use this method, 1 did so and it will be seen that 

 in the main points the curve is the same as when I plotted the 

 logarithms. 



Glucose 5% (11 — 19; 944.5) fig. 4, table 1 A. 



G G : i. e. inoculated with conidia from a culture on glucose 5^(> 

 Glucose 5% (9—16; 1217) table 1 B. 



AG: 1. e. inoculated with conidia from a culture on starch 0.5%» 



It is very certainly important to compare the tables, obtained by 



grouping the results of the above two séries. The aftereffect of the 



former culture médium on the conidia, which were used for the 



Fig. 4. Glucose 5%. Diastase in the mycélium -f culture solution ( ): 



diastase in the culture solution alone ( ); (d =" days). 



