SOURCE: "The Unfinished" (Super Science Stories, April 1951) by Frank Belknap Long

DESCRIPTION: "...I thought of the rock-splitting birds of Spagoon, with their rude flint weapons and elaborate burial customs..." ("The Unfinished" by Frank Belknap Long)

NOTES: The Rock-Spitting Birds of Spagoon create stone weapon in a fashion similar to primitive man. Little else is known about them. These creatures have been encountered by space bears.

HISTORY: Long mentions a few intergalactic creatures in passing in this story.