Bolomys lasiurus (Lund, 1841) . Kongl. Dansk. Vid. Selsk. Naturv. Math. AfhandL, 8:50.

TYPE LOCALITY: Brazil, Minas Gerais, Rio das Velhas, Lagoa Santa .

DISTRIBUTION: E. Brazil; Paraguay.

COMMENT: Includes lasiotis Lund as a synonym; see Langguth, 1975, Papeis Avulsos Zool. Sao Paulo, 29(8):45-54; see also comment under Akodon reinhardti . Gardner and Patton, 1976, Occas. Pap. Mus. Zool. La. St. Univ., 49:25, transferred lasiurus from Zygodontomys to Akodon, and were followed by Voss and Linzey, 1981, Misc. Publ. Mus. Zool. Univ. Mich., 159:29. Reig, 1978, Publ. Mus. Munic. Cienc. Nat. Mar del Plata "Lorenzo Scaglia," 2(8): 164-190, and Maia and Langguth, 1981, Z. Saugetierk., 46:241-249, included lasiurus in Bolomys . Includes arviculoides, brachyurus, fuscinus, and pixuna; see Reig, 1978:164- 190. Massoia, 1962, Physis, 23(65):185- 194, reviewed arviculoides and considered it a distinct species, and Massoia, 1980, Hist. Nat., 1 (25):179, listed arviculoides and pixuna as distinct species (without comment) in Cabreramys, which is included in Bolomys; see comment under genus. Ximenez and Langguth, 1970, Communic. Zool. Mus. Hist. Nat. Montevideo, 10(128): 1 —5, considered cursor a distinct species of Akodon and separated it from arviculoides . Karyology reviewed by Maia and Langguth, 1981, Z. Saugetierk., 46:241-249.

ISIS NUMBER: 5301410008059003001 as Zygodontomys lasiurus .

5301410008001005001 as Akodon arviculoides .