T. S. Hunt on the Chemistry of Natural Waters. 59 
humerous analyses of these waters, see Beck, Mineralogy of New 
York. The results of an examination of the Charlotteville 
Spring, remarkable for the amount of sulphuretted hydrogen 
which it contains, will be found in this Journal, [2], viii, 369. hes 
very copious sulphur spring which issues from a mound of cal- 
