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When viewed from several feet away, the dots coalesced into a halation of amorphous color.

Mr. Russell, Government Astronomer of New South Wales, finds that the "halation" of star photographs can be prevented by pouring over the back of the plate a film of collodion suitably stained.

Between Lida and the men who were circling the fire there was a veil of mist, and in the halation her champions loomed with heroic stature.

The first advantage, which I soon discovered, is their entire freedom from halation.

As at Sannah's Post, so again at Lindley the halation of a word or two in his orders fogged the image on his retina.