From 1878 to 1883 he conducted scientific studies in Guatemala, and was the author of several treatises on Guatemala, including important works in the fields on ethnography and ethno-linguistics.
He conducted scientific studies in Guatemala. This was including important works in the fields on ethnography and ethno-linguistics. This was from 1878 to 1883. He was the author of several treatises on Guatemala. This was including important works in the fields on ethnography and ethno-linguistics. This was from 1878 to 1883.