After a very short rest they went on again. Same noises， same smells， same glare， till at last their shadows began to fall on their right， and then got longer and longer till they seemed to stretch out to the Eastern end of the world. Very slowly the sun drew nearer to the Western horizon. And now at last he was down and， thank goodness， the merciless glare was gone， though the heat coming up from the sand was still as bad as ever. Four pairs of eyes were looking out eagerly for any sign of the valley that Sallowpad the Raven had spoken about. But， mile after mile， there was nothing but level sand. And now the day was quite definitely done， and most of the stars were out， and still the Horses thundered on and the children rose and sank in their saddles， miserable with thirst and weariness. Not till the moon had risen did Shasta.in the strange， barking voice of someone whose mouth is perfectly dry.shout out：
“There it is！”
