thistle-finch Smith-Hall thistle-finch: ăcanthis, ĭdis, f.: Plin. 10, 63, 83, § 175: ăcălanthis, ĭdis, f.: Virg. G. 3, 338: carduēlis, Plin. 10, 42, 57: *Fringilla carduelis, Linn.: cf. GOLDFINCH.