Lou Carcolh, the giant snail-serpent of Gascon legend, sliding out of its cave beneath the hill of Hastingues at dusk, a vast spiral shell on a long glistening serpent body, the marshes of the Adour below in mist, wet-on-wet watercolour with granulating washes, moss green and dusk violet, the scene running to all four edges, no paper margin or border Ver m谩s