This should be carefully done, in order to retain the shape of the bone and to show the porous formation of the mineral substance.
"Ontario Teachers' Manuals: Household Management"
Ministry of Education
Hymenium covering the entire free surface or confined to one portion; smooth, gyrose, folded or lobed; or hymenium lamellate, porous, reticulate or toothed forms which are gelatinous and provided with continuous basidia may be sought here.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
Probably, if it were possible to start an artificial stream in many places, after a while it would almost keep itself going at times, provided, of course, that the bottom was not porous.
"Wild Life in a Southern County"
Richard Jefferies