It contains moss, leaves, and branches, crusted with lime, and often forms basin terraces, which, while beautiful to see, were peculiarly harsh and rough for our animals.

But the hard, and far more ancient, limestone, onto which we then passed, was quite as bad.

At the very summit of one hill of this we found a cave close by the road; entering it, we penetrated to a distance of perhaps seventy-five feet, finding the roof hung with stalactites and the walls sheeted with stalagmite.

Just after leaving this cave, we met a tramp on foot, ragged, weary, and dusty, and with a little bundle slung upon a stick over his shoulder.

He accosted me in Spanish, asking whence we had come; on my reply, probably catching my foreign accent, he winked and said in plain English,--"Yes?
And where are you going, pard ?" After a hard day's ride, over a shut-in road, destitute of fine views, we reached the crest overlooking Comitan.