He turned partly from me and began to whistle. I heard the patter of feet, the panting of a heated animal, and the unmistakable yelp of a dog. Then Paul stooped down and apparently fondled the empty air.
“Here! Give me your fist.”
And he rubbed my hand over the cold nose and jowls of a dog. A dog it certainly was, with the shape and the smooth, short coat of a pointer.
Suffice to say, I speedily recovered my spirits and control. Paul put a collar about the animal’s neck and tied his handkerchief to its tail. And then was vouchsafed us the remarkable sight of an empty collar and a waving handkerchief cavorting over the fields. It was something to see that collar and handkerchief pin a bevy of quail in a clump of locusts and remain rigid and immovable till we had flushed the birds.
Now and again the dog emitted the vari-colored light-flashes I have mentioned. The one thing, Paul explained, which he had not anticipated and which he doubted could be overcome.
“They’re a large family,” he said, “these sun dogs, wind dogs, rainbows, halos, and parhelia. They are produced by refraction of light from mineral and ice crystals, from mist, rain, spray, and no end of things; and I am afraid they are the penalty I must pay for transparency. I escaped Lloyd’s shadow only to fetch up against the rainbow flash.”
A couple of days later, before the entrance to Paul’s laboratory, I encountered a terrible stench. So overpowering was it that it was easy to discover the source?a mass of putrescent matter on the doorstep which in general outlines resembled a dog.
Paul was startled when he investigated my find. It was his invisible dog, or rather, what had been his invisible dog, for it was now plainly visible. It had been playing about but a few minutes before in all health and strength. Closer examination revealed that the skull had been crushed by some heavy blow. While it was strange that the animal should have been killed, the inexplicable thing was that it should so quickly decay.
“The reagents I injected into its system were harmless,” Paul explained. “Yet they were powerful, and it appears that when death comes they force practically instantaneous disintegration. Remarkable! Most remarkable! Well, the only thing is not to die. They do not harm so long as one lives. But I do wonder who smashed in that dog’s head.”
Light, however, was thrown upon this when a frightened housemaid brought the news that Gaffer Bedshaw had that very morning, not more than an hour back, gone violently insane, and was strapped down at home, in the huntsman’s lodge, where he raved of a battle with a ferocious and gigantic beast that he had encountered in the Tichlorne pasture. He claimed that the thing, whatever it was, was invisible, that with his own eyes he had seen that it was invisible; wherefore his tearful wife and daughters shook their heads, and wherefore he but waxed the more violent, and the gardener and the coachman tightened the straps by another hole.
Nor, while Paul Tichlorne was thus successfully mastering the problem of invisibility, was Lloyd Inwood a whit behind. I went over in answer to a message of his to come and see how he was getting on. Now his laboratory occupied an isolated situation in the midst of his vast grounds. It was built in a pleasant little glade, surrounded on all sides by a dense forest growth, and was to be gained by way of a winding and erratic path. But I have travelled that path so often as to know every foot of it, and conceive my surprise when I came upon the glade and found no laboratory. The quaint shed structure with its red sandstone chimney was not. Nor did it look as if it ever had been. There were no signs of ruin, no debris, nothing.
I started to walk across what had once been its site. “This,” I said to myself, “should be where the step went up to the door.” Barely were the words out of my mouth when I stubbed my toe on some obstacle, pitched forward, and butted my head into something that FELT very much like a door. I reached out my hand. It WAS a door. I found the knob and turned it. And at once, as the door swung inward on its hinges, the whole interior of the laboratory impinged upon my vision. Greeting Lloyd, I closed the door and backed up the path a few paces. I could see nothing of the building. Returning and opening the door, at once all the furniture and every detail of the interior were visible. It was indeed startling, the sudden transition from void to light and form and color.
“What do you think of it, eh?” Lloyd asked, wringing my hand. “I slapped a couple of coats of absolute black on the outside yesterday afternoon to see how it worked. How’s your head? you bumped it pretty solidly, I imagine.”
“Never mind that,” he interrupted my congratulations. “I’ve something better for you to do.”
While he talked he began to strip, and when he stood naked before me he thrust a pot and brush into my hand and said, “Here, give me a coat of this.”
It was an oily, shellac-like stuff, which spread quickly and easily over the skin and dried immediately.
“Merely preliminary and precautionary,” he explained when I had finished; “but now for the real stuff.”
I picked up another pot he indicated, and glanced inside, but could see nothing.
“It’s empty,” I said.
“Stick your finger in it.”
I obeyed, and was aware of a sensation of cool moistness. On withdrawing my hand I glanced at the forefinger, the one I had immersed, but it had disappeared. I moved and knew from the alternate tension and relaxation of the muscles that I moved it, but it defied my sense of sight. To all appearances I had been shorn of a finger; nor could I get any visual impression of it till I extended it under the skylight and saw its shadow plainly blotted on the floor.
Lloyd chuckled. “Now spread it on, and keep your eyes open.”
I dipped the brush into the seemingly empty pot, and gave him a long stroke across his chest. With the passage of the brush the living flesh disappeared from beneath. I covered his right leg, and he was a one-legged man defying all laws of gravitation. And so, stroke by stroke, member by member, I painted Lloyd Inwood into nothingness. It was a creepy experience, and I was glad when naught remained in sight but his burning black eyes, poised apparently unsupported in mid-air.
“I have a refined and harmless solution for them,” he said. “A fine spray with an air-brush, and presto! I am not.”
This deftly accomplished, he said, “Now I shall move about, and do you tell me what sensations you experience.”
“In the first place, I cannot see you,” I said, and I could hear his gleeful laugh from the midst of the emptiness.
