He could not see the green of the shore now but only the tops of the blue hills that showed white as though they were snow-capped and the clouds that looked like high snow mountains above them. The sea was very dark and the light made prisms in the water. The myriad flecks of the plankton were annulled now by the high sun and it was only the great deep prisms in the blue water that the old man saw now with his lines going straight down into the water that was a mile deep.