Entrance to the Grutas de Cacahuamilpa in Guerrero, Mexico. Source: Brocklehurst (1883, Tab. 38).
Part of: Mattes J (2024) Collecting empires: Dominik Bilimek and early subterranean zoology between politics and field research. Subterranean Biology 49: 117-137. https://doi.org/10.3897/subtbiol.49.132266