AT 
3. Kokan. Jany Kurgan. Salt crust on dry plant stems: — 
Salts soluble in water: 49,9787 per ct. 
including: Na,SO, 44,809% per ct. 
CaSO, 3,2233 — 
MgsO, 1,510 — 
CaCO, 4,7170 — 
NaCl 0,2891 == 
4. Margilan. Ally Aryk. Snow-white salt-desert: — 
Salts soluble in water: 26,6792 per ct. 
including: Na,SO, 9,4161 per ct. 
CASO ALES tee — 
MgSO, : 658058 — 
CaCO, 5,964 — 
NaCl 0.1236 — 
RappE (1899 p. 22) gives the following analysis of a 
“Ssor”, salt-patch in the desert: — 
Na,SO, 85,50 per ct. 
NaCl 8 — 
MgSO, 3,50 = 
CaSO, 0,68 — 
In the following the samples were collected by me and 
analysed by Mr. WÖHLK, chemist: 
1. Salt on the earth in a desert near Buchara. 
A greyish-white, amorphous, flocculent, dusty powder 
consisting of: — 
Na,SO, 
with CaSO,, about 6 per ct. 
and NaCl, trace. 
2. Rough firm saline crust from the same place: — 
Salts soluble in water: 
CaSO,, ab. 8,9 per ct. 
Na SO ZN 
MesSO,: =), 447° — 
NaCl ar 
