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 Acarus passerinus [ spec. nov. ] A. femoribus tertiis crassissimis. Fn. svec. 1190. De Geer Act. Stockh. 1740. p. 351. t. 1. f. 2. Red. viv. t. 2. f. 4. Habitat in Passeribus variis.