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 Coluber severus [ spec. nov. ] Mus. Ad. Fr. 1. p. 25. t. 8. f. 1. Seb. mus. 2. t. 54. f. 4. Habitat in Asia. Cinereus fasciis albis. Fascia cinerea inter oculos & pone nares.