356 
Permeability of the kidneys to stereoisomeric sugars. 
Date 
of 
experim 
15 Nov. 
12 June 
1 July 
19 Nov. 
11 Aug. 
12 Aug. 
14 Nov. 
20 Aug. 
21 Aug. 
13 Aug. 
13 Nov. 
5 Nov. 
26 Oct. 
26 Oct. 
14 Aug. 
23 Oct. 
30 Oct. 
10 July 
the 
He 
ent. 
| 
1918 0.09 
1919 0.05 
1919025 
1918 0.1 
1919 0.08 
1919.0.07 
1918 0.1 
19180.1 
19180.1 
1919.0.07 
1918 0.1 
1918 0.05 
19180.09 
1918. 0.09 
1919 0.07 
19180. 1 
1918,0.04 
19190.2 
C 
| 
C 
OH 
Perfusion liquid 
contains: 
0/9 L-mannose 
„ 
OH 
d-galactose 
n 
d-glucosamine 
HCl-glucosamine | 
” » 
l-glucose 
d-mannose 
l-arabinose 
l-xylose 
d-ribose 
d-arabinose 
| liquid 
glucos 
0.06 
Reduction of| 
| perfusion 
‘expressed in| 
terms of 
e 
percent. 
” 
‚The urine 
has a 
reduction | (11—III). 
of: 
» 
„ 
Percen- 
tage of 
Retention retention 
calcu- 
latedfrom 
I and IV. 
group of the d-glucose molecule responsible for the 
retention, an hypothesis, which, as we have already remarked, was 
of a wholly arbitrary nature, cannot be correct. For if it was, then 
l-mannose and l-arabinose would be completely retained, but, as a 
