2 MARMOSA. 



Thylamys (sic) Gray, List. Mamm. Brit. Mus., 1843, P- ^oi- 

 Grytftaeotnys Burm., Syst. Uebers. Thiere Bras., i, 1854, p. 135. 

 Cuica Liais, Climats, G^ol., Faun., G^og., et Botan. Bresil, 1872, 

 p. 427. 



2. Marmosa murina (Linnaeus). 



Didelphis! murina Linn., Syst. Nat., i, 1758, p. 55. 



Didelphis! dorsigera Linn., Syst. Nat., i, 1758, p. 55. 



Didelphys cayopoUin Schreb., Saugth., iii, 1778, p. 544, pi. cxlviii. 



Didelphys macrotarsus Wagn., Archiv f. Naturg., viii, 1842, p. 359. 



(nee Schreber.) 

 Didelphys microtarsus Wagn., Archiv f, Naturg., viii, 1842, p. 359. 

 5' • / (nee Schreber.) [ ]' '. 



'' ' 'iDideiphys impavidd Tschudi, Faun. Peruana, 1844, p. 149, pL ix. 

 Didelphys riMJCWit^s' ;Cal3.v'*3<^omb. Brit. Guiana, iii, 1848, p. 778. 

 GryiKCor.iys murinks 'Biirrfi.',''Erlaut. Faun. Bras., 1856, pp. 80-81. 

 GrynuBomys dorsiger Burm., Erlaut. Faun. Bras., 1856, pp. 80-81. 

 GrymcBomys itnpavida Burm., Erlaut. Faun. Bras., 1856, pp. 80-81. 

 Didelphys murinus True, Proc. U. S. Nat. Mus., vii, 1885, p. 587. 

 Marmosa murina Thomas, Ann. Mag. Nat. Hist., 6th Ser., 1895, 

 p. 58. EUiot. Mamm. Middle Amer. & W. Indies. F. C. M. 

 Pub., IV, Pt. I, 1904, p. 5. Zool. Ser. 

 Murine Opossum. Tlacuazin Raton in Guatemala. 

 Type locality. Unknown. 

 Geogr. Distr. Central America to Brazil. 



a. Marmosa murina mexicana Merriam. 



Marmosa murina mexicana Merr., Proc. Biol. Soc. Wash., xi, 

 1897, p. 44. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 6. Zool. Ser. 

 Mexican Murine Opossum. 



Type locality. Juquila, State of Oaxaca, Mexico. 

 Geogr. Distr. States of Oaxaca and Chiapas, Mexico. 



3. Marmosa canescens (Allen). 



Didelphis! (Micotireus) canescens Allen, Bull. Am. Mus. Nat. Hist. 



N. Y., 1893, p. 235. 

 Marmosa canescens Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1897, 

 p. 58. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 6. Zool. Ser. 

 Ashy Opossum. 



Type locality. Santo Domingo de Guzman, Isthmus of Tehuan- 

 tepec, Mexico. 



