Order Rodentia - Family Muridae Author Guy G. Musser Author Michael D. Carleton text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 501 755 book chapter http://doi.org/10.5281/zenodo.7353098 1-56098-217-9 7353098 Peromyscus sejugis Burt, 1932 . Trans. San Diego Soc. Nat. Hist., 7:171 . TYPE LOCALITY: Mexico , Baja California Sur, Santa Cruz Island, 25°17'N , 110°43'W . DISTRIBUTION: Santa Cruz and San Diego islands, S Gulf of California, Mexico . COMMENTS: Highly differentiated morphologically and genetically from mainland P. maniculatus ( Avise et al., 1974b , 1979; Burt, 1932 ), though probably derived from a maniculatus-like ancestor ( Lawlor, 1983 ). P. maniculatus species group.