C. U. Shepard on a Meteoric Tron? from N. Carolina, 265 
ew 
drochloric acid at the temperature of 80°. The extrication of 
drogen gas was gradual, unattended by any sensible produc- 
tion of heat. The action was considerably promoted by slight 
agitation, On heating to 90°, the decomposition of the hydro- 
chloric acid was much promoted; and the gas was tested, an 
found to be pure hydrogen.* After some hours, a strong yellow- 
q lined the flask for some distance above the level of the liquid. 
q The flask being left in a state of rest for some time, fell in tem- 
q psi to 65°; and its contents assumed a partially ploraenr 3 
4 somewhat 
_ Verified in several repetitions of the solution, and remains a 
Possessed a dark greyish tinge, as if from the presence of traces 
“ae ig hydrochloric acid at a lower temperatu 
“intl#® crystals are formed, supposed to be a hydrated 
» (say 65°) beautiful green 
Settle chlorid of iron and 
SECOND SERIES, Vou. XXVIII, No. s3.—suPT,, 1859, 
34 
