Gannets diving into a slate-dark sea beneath a shaft of sun off the cliffs of Noss, their folded white bodies dropping like darts and splashes bursting white below, white paper left for the birds and the splashes, wet-on-wet Payne's grey, granulating ultramarine, watercolour, the washes running to all four edges, no paper margin or border, flat and square-on Ver m谩s