Note 1919 — BOOK VIII. THE NATURE OF THE TERRESTRIAL ANIMALS. (continued 2)

This sentence in Columella, ubi supra, seems to illustrate the meaning, which is somewhat obscure. “Veruntamen nec minus quam quindecim, nec plures quam viginti, unus debet implere”—“One male ought to be coupled with not more than twenty females, nor less than fifteen.”