1922.] The Ninth Indian Science Congress. 1.S.C. 15 
in Southern India, as represented by the Cauvery falls, the 
Hogenkal falls (also on the Cauvery river) and the empppe 
falls, of which, part of the first mentioned alone has bee 
has been evinced by expert representatives of leading firms oF 
British manufactures of the class of plant began ew and t 
have been touring the country in order to see for Sotuealecs 
what the prospects are. Applications, also, have been made 
for right to develop several particular sites 
r. J. W. Meares, Electrical Adviser to the Government 
of fadio. in an article contributed to the Journal of I oh 
most important processes being the fixation of nace 
nitrogen into the nitrates of commerce, the production of 
aluminium from bauxite, use in the steel industry, and in the 
manufacture of carbide of calcium and several other substan- 
ces that can profitably be produced eae tically. 
If adequate advantage is not taken of our Himalayan 
abundance of this ‘ white coal,’ future generations may well 
look back to the present period with wonderment that we 
should have allowed all this energy to be wasted, or worse 
than wasted, in carving and cutting away the foundations of 
its own potentiality (ie. wearing down its own river-bed), i 
stead of setting dynamos in motion for a hundred cteatal 
PDOs 
ing to a consideration of minerals, as commonly 
PE and, for the present, of those of fundamental 
value, namely, coal and iron—all Himalayan areas are handi- 
capped by their poverty in in the former commodity, which is 
represented over a portion of that area by one, and only one, 
thin bed of a few feet thickness. ‘This belongs to the youngest 
era of geological chronology and is the equivalent of the coal 
of Dandot and other Salt Range fields. Nearly wig aa else 
the older genlogicst series, corresponding to those of well- 
Ss 
range, have driven off th 
potential fuels, leaving little but pure carbon as gra aphite ; a 
sae oe 

et 

1 Vol. I, pt. 2, May 1921. 
