Noted in Pliny's Natural History XXXV.156 and XXXV.45; Pliny credits Varro as his source for the information (cf. Cassius Dio XLVII.18.4); see Roger B. Ulrich, "Julius Caesar and the Creation of the Forum Iulium" American Journal of Archaeology97.1 (January 1993, pp. 49-80), p 66-71 and Weichert in Festschrift für Paul Arndt (1925), 54‑61, for the type as represented on a relief in the Villa Borghese (Reinach, Répertoire iii.171.1), which he assigns to the period before 46 BC; and cf. Cornelia G. Harcum, "A Statue of the Type Called the Venus Genetrix in the Royal Ontario Museum" American Journal of Archaeology31.2 (1927) pp 141‑152.
