Errors and irregularities in pagination.
Caption title at head of Liber I (p. 2) preceded by proem on p. 1, beginning. Ad Ivlivm [II] vrbis Romae episcopvm. R. Volaterranvs. Proemivm.
Signatures: +-++⁶ [paragraph]⁶ a⁶ b-x⁸ A-V⁸ X-Y⁶ 2A-2P⁸ 2Q¹⁰ 2R-2T⁸ 2Tbis⁶ 2V-2Z⁸ 2&⁸ 2?⁸ 2[rum]-3[rum]⁶ 2[tur]⁶.
Three plates inserted as frontispieces.