Chlorine and Hydrogen. 343 
mstance, as well as in the other, the undulating 
white non was observed; and, in both cases, the air around 
and above, for several yards, was filled with a dense white 
cloud, which appeared to be muriatic acid gas, condensed 
by the moisture of the air. These facts are not stated be- 
cause they are new, (as they evidently are not,) but they will 
serve to give additional force to A oor derived from 
another fact which we are now to m 
Being desirous to ascertain sibiather this remarkable effect 
could be produced by the radiation of a common culina 
fire, we filled a common Florence-oil flask (well Suited, 
half full of en gas, and were in the ag ote 
the hydrogen in the pneumatic cistern. There was n 
no direct emanation from the sun , but even the a light 
was rendered much feebler than comm , bya mec 
storm, which had covered the chet, ubave with a thick 
mantle, and veiled ne gt eept- in a singular degree, even for 
such a storm. Under these circumstances, the hydrogen 
was scarcely all hnsroddeat, before the flask exploded, with 
a distinct flame 3 portions of the glass stuck in the wood 
work of the ceiling of the pasa and the face and eyes 
pee a on sik iain dase eae 
and itis therefore 0 bvious, —— some pee cla preestons 
ti eg wos em Such 
caplet occurred to us, but, as we have not had ‘op- 
portunity to put them in practice, we een to state then: 
t é : 
: ek pobre seen? has been such in this age, as 
to demonstrate, th 
frequently to. at tremendous energies are 
slumbering all rs 
walking, without soli , over hidden mines; an: 
