— 10 — 



3. Kokan. Jany Kurgan. Salt crust on dry plant stems: — 



Salts soluble in water: 49,9787 per ct. 

 including: Na2S04 44,809o per ct. 

 CaSO^ 3,3232 — 



MgSO^ 1,2610 — 



CaCOg 4,7170 — 

 NaCl 0,2891 — 



4. Margilan. Alty Aryk. Snow- while salt-desert: — 



Salts soluble in water: 26,6792 per ct. 

 including: NajSOg 9,4i6i per ct. 

 CaSO^ 10,1121 — 



MgSO^ 6,8063 — 



CaCOg 5,9624 — 

 NaCl 0,1236 — 



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

 "Ssor", salt-patch in the desert: — 



Na^SO^ 85,60 per ct. 



NaCl 8 — 



MgSO^ 3,.6o — 



CaSO^ 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^SO^ 

 with CaSO^, about 6 per ct. 

 and NaCl, trace. 



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

 Salts soluble in water: 



CaSO^, ah. 8,9 per ct. 

 Na^SO^ 5,1 — 



MgSO, 44,7 - 



NaCl 41,0 — 



