Sylvilagus graysoni (J.A. Allen, 1877). In Coues and Allen, Monog. N. Amer. Rodentia (U.S. Geol. Geograph. Survey Terr., Rep., 11:347). TYPE LOCALITY: Mexico, Nayarit, Tres Marias Isis., probably Maria Madre Isl. DISTRIBUTION: Tres Marias Isis., Nayarit (Mexico). COMMENT: An insular species probably derived from cunicularius; see Diersing and Wilson, 1980, Smithson. Contrib. Zool., 297:1-34; Hall, 1981:314. See Nelson, 1899, N. Am. Fauna, 14: 16 for discussion of type locality. ISIS NUMBER: 5301409002008007001.Published as part of James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Lagomorpha, pp. 595-604 in Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA :Alien Press, Inc. & The Association of System...