﻿258 



46 



Series C. (Nov. 1907). 

 The portions marked a are crushed directly after being spHt. The portions 

 niarlved b were put aside for 3 daj's with 0'2c.c. ether per liter. Absolute amount 

 of ether: 3-2 c.c. After the exposure all the tubers were fresh; wounding-cork on 

 the cut. Temp. = 13°. 



Weight 



N of 

 amides 



Decrease 

 of JV of 

 amides 



J /a 

 lb 



2|« 

 lb 



3/^ 

 lb 



4(a 



\b 



. / a 

 lb 



mgrs. 

 14-55 

 14-70 

 14-05 

 14-75 

 16-90 

 18-65 

 16-85 

 18-35 

 17-23 

 15-00 



8-88 



j Weight I 



; of I Number | 



i potatoes 



N of 

 amides 



grs. 



^(a i 62-66 



lb 61-32 



^ la tj 61-12 



lb j! 61-80 



g r a jl 61-60 



lb il 62-62 



g / a H 62-48 



lb jj 62-50 



,,, ( a ,i 61-40 



» b i 61-27 



Decrease 

 of N of 

 amides 



mgrs. 

 16-95 

 14-70 

 16-25 

 15-50 

 14-65 

 14-0(1 

 16-78 

 16-50 

 14-10 

 12-93 



13-27 

 4-62 

 4-41 

 1-67 

 8-30 



M = 2-00 »In. <r = -f 8-36 "l„. m = + 2-64 "(o. 



Series D. (Nov. 1907). 

 a indicates the portions crushed directly after they had been split; b those 

 which were exposed to 0-6 c.c. ether per liter for 3 days befoi-e being crushed. 

 Absolute amount of ether = 9-5 c.c. The tubers which had been exposed to ether 

 were averagely dark on the cut side and somewhat wet, but quite fresh inside. 

 Obviously the ether had killed the outer tissues. Temp. 9 — 13°. 



2-27 "(0, <T = + 5-48 "l„. m = + 1-733 "(0 



