Note 3 — Chapter IX · THE GEOTRUPES: THE PUBLIC HEALTH
Alexander Teixeira de Mattos translation
The burrow dug by the Geotrupe for the benefit of her grub is hardly deeper than that of the Copris or the Sacred Beetle, notwithstanding the difference of the seasons. Three decimetres,3 roughly speaking: that is all that I find in the fields, where nothing occurs to limit the depth.