Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis Author Linnaeus, Carolus text 1758 Laurentius Salvius Stockholm https://archive.org/download/mobot31753000798865/mobot31753000798865.pdf book 2C6327E1-5560-4DB4-B9CA-76A0FA03D975 https://doi.org/10.5962/bhl.title.542 3922206 Anas circia [ spec. nov. ] A. macula alarum varia, linea alba supra oculos, rostro pedibusque cinereis. Fn. svec. 111. Anas Circia. Alb. av. 2. p. 92. t. 103. 104. Raj. av. 148. Habitat in Europae paludibus.