The Hunchback of Notre Dame by Book 2 Chapter 7 Page 3

hissing and humming with wings of purple and azure, in the midst of which floated an imperceptible body, veiled by the very rapidity of its movement. The aerial being which was dimly outlined amid this quivering of wings, appeared to you chimerical, imaginary, impossible to touch, impossible to see. But when, at length, the dragon-fly alighted on the tip of a reed, and, holding your breath the while, you were able to examine the long, gauze wings, the long enamel robe, the two globes of crystal, what astonishment you felt, and what fear lest you should again behold the form disappear into a shade, and the creature into a chimera!

Recall these impressions, and you will readily appreciate what Gringoire felt on contemplating, beneath her visible and palpable form, that Esmeralda of whom, up to that time, he had only caught