330 H. B. TAYLOR. 
alcoholic precipitate through parchment for three days, 
and was kept active by the addition of some chloroform. 
The results obtained were as follows:— 
Table XII. 
Temperature 15:5° C. Concentration of hydrogen peroxide = 
M/300. Concentration of Enzyme = 1. 
(1) — 
KCN = M/o KCN = M/o 
; a-w K t a-—2 K 
0 13:6 Eo 0 13°4 
10 13:0 °0045 10; > 12:9 -0037 
20 12°8 -0030 20 12°45 :0036 
30 12-4 -0031 30 12-1 °0034 
D0 11°65 0031 50 11°8 0025 
60 11°4 ‘0029 1380 (6) 
1140 ee. 
Mean :0033 . Mean ‘0033 
(2) 
KCN = M/100,000 KCN = M/10,000 KCN = M/1,000 
t a-2 K t a-2 K iE a-2@ | K 
0.) 1398 he 0} 14:2 ish Oe hs327/ be 
10°) 1345170026 10 | 13°87) -0028 10 | 13°5- | 300i \ 
20 | 13-05 )}-0028 | 21]13-4 |-0028} 20113-:3 |-0015 
41 |12-4 |-0026 | 30/13-4 |-0029| 401]|13-0 |:0013 
50 | 11:7 |-0033 | 40] 12-9 |-0024 | 1020 | 5°6 
60 | 11-3 |-0033 | 60) 12:3 | -0024 
1140 | 7-2 ee ene ge 
Mean :0029 Mean *0026 Mean :0014 
