In 1863, the geologist Adolf Schmidl published a thick book on the Bihar/Bihor Mountains, a highland region on the border between the Hungarian Kingdom and Transylvania. Calling the Bihar/Bihor Mountains one of the “least known regions in the Austrian Monarchy,” Schmidl offered his work as small contribution to Vaterlandskunde and one, he hoped, that would inspire others to follow him into the region. The book provided a detailed analysis of the mountains' hydrography, topography, flora, and fauna. The biological diversity of the region especially excited Schmidl, and his discoveries included four new species of plants and a new species of animal (a leech found only in thermal waters). Schmidl was no less impressed by the ethnographic diversity of this region. Although Romanians belonging to the Greek Catholic and Eastern Orthodox churches comprised the vast majority of the population, Schmidl counted six ethnic groups and as many religions in the mountains. According to Schmidl, “national agitation” was “entirely foreign” to the region, whose inhabitants enjoyed peaceful and fraternal relations with one another. The Romanians, he underlined, “are among the most loyal in the Austrian monarchy and their devotion to the dynasty is unfeigned and unshakeable.”