There was no water here; but this did not so much matter, for both they and we had drunk at a little muddy pool we found not more than an hour before.

We were finishing our meal of the food that we had brought with us, which, indeed, we needed sorely after our sleepless night and long day's journey, when my horse, which was knee-haltered close at hand, lay down to roll again.

This it could not do with ease because of the rope about its fore-leg, and I watched its efforts idly, till at length, at the fourth attempt, after hanging for a few seconds upon its back, its legs sticking straight into the air, it fell over slowly towards me as horses do.
"Why are its hoofs so red?
Has it cut itself ?" asked Leo in an indifferent voice.
As it chanced I also had just noticed this red tinge, and for the first time, since it was most distinct about the animal's frogs, which until it rolled thus I had not seen.

So I rose to look at them, thinking that probably the evening light had deceived us, or that we might have passed through some ruddy-coloured mud.

Sure enough they _were_ red, as though a dye had soaked into the horn and the substance of the frogs.