122 Prof. E. D. Smith, on the Warm-Springs 
y extinguished. From these two experiments it 
Be inferred that this air was nitrogen or azotic gas. From 
the whole of the humid analysis the chemical reader will 
probably admit, that these waters contain, not only nitrogen 
gas, but sulphuric and muriaticacids, and lime rade magnesia, 
all in a state of combination; and that neither carbonic 
acid nor sulphuretted hydrogen, or any combination of sul- 
phar, as had: been generally believed, were present. 4 That 
sical very wet seasons any not cause some combination 
of ‘it, I am not prepared to ) deny; because in addition to 
the remark of the peculiar odour of the water in wet sea- 
sons, it may be stated that in two successive years, previous 
to my visit, I had the opportunity of examining the water 
brought in ‘bottles to. this place, and then detected sulphu- 
retted hydrogen. Supposing it possible however, that 
the keeping of the water for several weeks, might induce a 
change of its penne I brought away two bottles with me. 
and six {months afte s examined them in my laborato- 
ry, but! raga aan of analysis to be the same as. at 
the : I know not how to account for this variation 
of properties, unless on the former occasions — springs 
may have been little attended to, and from the decomposi- 
tion of vegetable matter in them sul phuretted hydrogen may 
have been generated; or unless the causes, which occa- - 
sion the increased temperature of the water, ma vary 
in differing seasons as to produce different decompositions 
beneath ga earth’s surface. 
my intention to Dare, proceeded ith the examina- 
tion of t the fixed produc soon as I returned to Colum- 
bia; but some eid and unavoidable circumstances 
have prevented until lately. 
The results of this analysis are as follow 
1. On examining the papers, containing <o Soderns 
each of which had been procured by the separate evapora- 
tion of one quart of the mineral water, it appeared that each 
paper was damp, and stained of a light fawn colour. In 
two parcels, brilliant particles were visible to the naked eye ; 
and, viewed through the microscope, they were evidently 
~The other ‘powder shewed no marks of crystalliza- 
tion. The weight of the whole was twenty-eight grains, and 
allowing for loss-in transportation, perhaps it may be smd 
