[Transcriber Note: This etext was produced from IF Worlds of Science
Fiction March 1954. Extensive research did not uncover any evidence that
the U.S. copyright on this publication was renewed.]
[Sidenote: _Tabby was peculiar, of course, but seemed harmless: just a
little green fly that couldn't even protect itself from ordinary
spiders. So the spiders fed, and grew, and fed, and grew...._]
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