- 10 - 



3. Kokan. Jany Kurgan. Salt crust on dry plant steins: - 



Salts soluble in water: 49,978? per ct. 

 including: Na 2 SO 4 44, 80 9o per ct. 

 CaSO 4 3,2232 



MgSO 4 1,2510 



CaCO 3 4,7170 

 NaCl 0,289i 



4. Margilan. Ally Aryk. Snow-white salt-desert: - 



Salts soluble in water: 26,6792 per ct. 

 including: Na 2 SO 3 9,4iei per ct. 

 CaSO 4 10,ii2i 



MgSO 4 6,8058 



CaCO 3 5,9624 

 NaCl 0,i236 



RADDE (1899 p. 22) gives the following analysis of a 

 "Ssor", salt-patch in the desert: - 



Na 2 SO 4 85,5o per ct. 

 NaCl 8 



MgSO 4 3,5o 

 CaSO 4 0,68 



In the following the samples were collected by me and 

 analysed by Mr. WOHLK, chemist: 



1. Salt on the earth in a desert near Buchara. 



A greyish -white, amorphous, flocculent, dusty powder 

 consisting of: 



Na 2 SO 4 



with CaSO 4 , about 6 per ct. 

 and NaCl, trace. 



2. Rough firm saline crust from the same place: - 

 Salts soluble in water: 



CaSO 4 , ab. 8,9 per ct. 



Na 2 SO 4 5,4 



MgS0 4 44,7 



NaCl - 41,o 



