Sax Rohmer

“ Cairn took a step forward, and cried out certain words in a loud voice—words which Robert Cairn knew he had never heard uttered before, words in a language which some instinct told him to be Ancient Egyptian.
Their effect was to force that dreadful shape gradually to disperse, as a cloud of smoke might disperse when the fire which occasions it is extinguished slowly. Seven pellets in all he threw towards the window—and the seventh struck the curtains, now once more visible in their proper form. ”

“ The curtains seemed to be rendered transparent, as if some powerful ray were directed upon them; the window appeared through them as a rectangular blue patch. Only two lamps were burning in the library, that in the corner by which Myra had been reading, and the green shaded lamp upon the table. The best end of the room by the window, then, was in shadow, against which this unnatural light shone brilliantly.
"My God!" whispered Robert Cairn—"that's Half-Moon Street—outside. There can be no light—"
He broke off, for now he perceived the Thing which had occasioned the girl's scream of horror. ”

“ In what form it would come—whether it would be vague moanings and tappings upon the windows, such as they had already experienced, whether it would be a phantasmal storm, a clap of phenomenal thunder—they could not conjecture, if the enemy would attack suddenly, or if his menace would grow, threatening from afar off, and then gradually penetrating into the heart of the garrison. ”