Neat fields, separated by bands of yellow, unplowed stubble, and true farm-houses of good size, were striking features.

We passed through quantities of pine groves, and everywhere a cold wind blew strongly in our faces.

At one place, we were obliged to dismount and walk, on account of the sharp descent, and found ourselves upon an ugly piece of limestone or sandstone rock, which soon, to our surprise, we found replaced by a solid mass of obsidian.

The _cochero_, says that the place is known as _itzlis_--the obsidians, the knives.

It was 2:30 when we reached Aguazotepec, where we called upon the _presidente_, and engaged a _mozo_, for a _peso_, to convey our instruments the balance of the journey, as we were completely tired out with carrying them upon our knees.