1919. ] Seistan and the Helmand. 15 
The Water of Seistan. 
We collected a considerable number of samples of water in the 
Hamun-i-Sabari and other bodies of water in Seistan, but unfor- 
tunately several of the bottles were broken on our journey. By 
the kindness of Dr. H. H. Hayden, F.R.S., Director of the Geo- 
logical Survey of India, the samples that remain have been examined 
in the laboratory of that department. 
to ensure an accurate and detailed analysis, 
sufficient clearness the general character of the salts present. 
They are not sufficient 
but indicate with 
Our 
sample of water from the Shelagh river was lost, but one of the 
salts crystallized on its shore has been analysed. 
The following are the results :-— 
Analysis of Water Samples trom Setstan. 
From south shore 
of Hamun about 
From a small sa- | 
line stream run- | From edge of Ha- 
ning down to but | 
mun about one 
i a aoe oe not quite reach- | mile north of Lab- 
Bet ae Eich ing the Hamun. | i-Baring. On 
b et ae on About a mile and| stony shore be- 
h = ane mueey | halfmorthiot bab= les low clits 
SORE i- Baring. 
Quantity received 560 c.c. 500 c.c. 470 C.c. 
Given in grammes per 1000 €.C¢. 
AlgO3 and Fe2Os nil Trace nil 
(ee ae 0°0496 0°8629 _ 0°0345 
MgO | 0°2220 2°4476 O'1542 
Alkalies weighed 
as chlorides 1°4640 20°2650 0*9100 
Na,O o'721 10°683 0°313 
K,0 . 0'0664 0°009 0'201 
Cie: 0°5293 10°8985 0°3399 
SO, 0°4759 5°2136 0°2948 
Suspended matter 
0°0426 grammes 
| O'1200 grammes 
| 0°0872 grammes. 
Analysis of Salt from the edge of Shelagh River, near Girdhv, 
Seistan. 
Amount insoluble in boiling water 29°78 
Al,O, and Fe,O, o°Io 
cam 4°64 
Mg 0°27 
Na 13°10 
K 2°57 
Ch x: 15°62 
SO, 22°39 
co, Tks 
Water of Composition 10°75 
Total 
