Then, without stopping to think about it any further, he slipped off the ledge and edged toward the sound of the stream, travelling crabwise on all fours.
"The Thing in the Attic"
James Benjamin Blish
The damaged snapper-boat instantly blasted from its nose tubes, decelerated, and went into reverse, flipping through space crabwise as it tried to regain the safety of the cruiser.
"Rip Foster in Ride the Gray Planet"
Harold Leland Goodwin
To his astonishment the stranger's mobile lips twisted in a snarl and he edged crabwise toward the bushes bordering the glen.
"Ralestone Luck"
Andre Norton