The wings were long, ribbed with black chitin, sheathed with gray membrane.

They came around a gentle curve and found the entire tunnel blocked with what looked like a gray membrane.

This draw was obscured in the almost continual gray membrane of showers.

Her eyes were large and round, half shuttered by the gray nictitating membranes.

Remove any traces of gray membrane from the edges of the fish.

Trim the fish of any gray membrane.

Beneath a gray membrane of sandtrout skin, their long digits and opposable thumbs could be used much as any human hands.

Remove any gray membrane from fish.

His face receded into the gray membrane, which now snapped away from the frame and disappeared, leaving only the beech-wood backing-panel.

On the wall hung a circular frame something less than a foot in diameter, surrounding a gray membrane.