He was three-dimensionally X-rayed with a range of frequencies calculated to excite fluorescence in whatever object he might have secreted in his stomach, in a hollow bone, or under a layer of flesh.
"Sjambak"
John Holbrook Vance
The figure stepped forward, so that its face was illuminated by the fluorescence streaming from the open door which led to the inclined chairway descending to Littlejohn's dwelling.
"This Crowded Earth"
Robert Bloch
And their vision, extending well into the ultra-violet, made it directly visible to them through its fluorescence-to say nothing of the wholly unhuman extra senses they had.
"Duel on Syrtis"
Poul William Anderson