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 Hirundo urbica [ spec. nov. ] H . rectricibus immaculatis, dorso nigro-caerulescente. Fn. svec. 245. It. oel. 41. Hirundo agrestis s. rustica. Gesn. av. 564. Aldr. orn. l. 17. c. 7. Will. orn 155. Raj. av. 71. n. 2. Alb. av. 2. p. 52. t. 56. f. A. Frisch. av. 3. t. 17. f. 2. Habitat in Europa, ad parietes sub tecto. Venit venit Hirundo, pulchra tempora adducens & pulchros annos. Hesych.