H. A. Hazen—The Sun Glows. 211 
fin b 
a desdription of a cloud of ashes poured forth from the crater 
of a voleano, carried in a stream in one direction and after- 
ward in another at right angles, but that there was no uniform 
distribution is plainly shown by the narrative. 
Fifth. That the intermittent nature of the phenomenon pre- 
clades the idea of a dust envelope. +a: 
Stzth. That ashes are opaque while the appearances indicate 
great transparency, 
Holland, after a great wind and rain storm, which presented a 
Similarity to voleanic ashes, is well known. This evidence must 
be accepted with caution, however, and it should be shown tbat 
Many of the objections before mentioned, and seems more sat- 
asfactory. The well nigh instantaneous appearance, the last of 
Consider that there were two clouds of dust into which the 
€arth entered. 
t is a matter of satisfaction that the phenomenon has 
attracted so much attention, and called are. 
ful- observations, These observations should be recorded, 
and especially any unusual development should be noted. 4 
Study of the cloud conditions as a whole, over the earth, will 
8lve an additional means of carrying on the discussion. 
n 
While all explanations of the gl e more or less matters 
} : glows are more signer 
eis Conjecture, 7 the field of conjecture is believed to be nar- 
