 Why does Thig leave a note at Torp's desk?
QUEST OF THIG By BASIL WELLS Thig of Ortha was the vanguard of the conquering "HORDE." [Transcriber's Note: This etext was produced from Planet Stories Fall 1942. Thig carefully smoothed the dark sand and seaweed of the lonely beach over the metal lid of the flexible ringed tunnel that linked the grubby ship from another planet with the upper air. He stared appraisingly around at the luxuriant green growth of foliage further inland; and started toward the little stretch of trees and brush, walking carefully because of the lesser gravitation. Thig was shorter than the average Earthman—although on Ortha he was well above the average in height—but his body was thick and powerfully muscled. Oddest of all, he wore no garments, other than the necessary belt and straps to support his rod-like weapon of white metal and his pouches for food and specimens. Here he patiently sat down to wait for an Earthman or an Earthwoman to pass. His task now was to bring a native, intact if possible, back to the carefully buried space cruiser where his two fellows and himself would drain the creature's mentality of all its knowledge. In this way they could learn whether a planet was suited for colonization by later swarms of Orthans. Already they had charted over a hundred celestial bodies but of them all only three had proven worthy of consideration. This latest planet, however, 72-P-3 on the chart, appeared to be an ideal world in every respect. For a week the typewriter mill that had ground out a thousand assorted yarns of the untamed West and the frigid desolation of the Northwoods had been silent. He had sat every day for eight hours in front of that shiny-buttoned bane of the typist, but there were no results. Feebly he had punched a key two days ago and a $ sign had appeared. Since that promise, he could not write a word. Then he had no time for further speech, the massive arms of the stranger had wound around him and two hamlike hands shut off his speech and his wind. "There it is," announced Thig, dropping the limp body of the captured Earthman to the metal deck-plates. "Thig will be this creature!" announced Torp. "With a psychic relay we will transfer the Earthman's memories and meager store of knowledge to the brain of Thig! "Do not question the word of your commander," growled Torp, swelling out his thick chest menacingly. "For the good of the Horde," Thig intoned almost piously as he lifted Terry's body and headed for the laboratory.
 He wants to make sure no one comes to invade Earth, and have reason to fear doing so.
 He wants to make sure no one comes to invade Earth, and have reason to fear doing so.  He wants to warn the other Orthans about the potential dangers of Earth.  He wants someone to understand what had happened.  He feels badly about killing Kam and Torp, and wants to leave a final message on their behalf.