Note 1153 — BOOK III. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED. INTRODUCTION.
John Bostock translation
This seems to be the meaning of “alumna,” and not “nurse” or “foster-mother,” as Ajasson’s translation has it. Pliny probably implies by this antithesis that Rome has been “twice blessed,” in receiving the bounties of all nations of the world, and in being able to bestow a commensurate return. Compared with this idea, “at once the nurse and mother of the world” would be tame indeed!