METACHIRUS. DIDELPHYS. 5 



Metachinis nudicaudatus Allen, Bull. Am. Mus. Nat. Hist. N. Y., 

 1900, p. 197. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 12. Z06I. Ser. 

 Rat-tailed Opossum. 



Type locality. Cayenne, French Guiana. 



Geogr. Distr. Costa Rica to Brazil. 



12. Metachirus fuscogriseus Allen. 



Metachinis juscogrisciis Allen, Bull. Am. Mus. Nat. Hist. N. Y., 



1900, p. 194. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 12, figs. 3, IV. Zool. Ser. 



Didelphys qtuca True, Proc. U. S. Nat. Mus., vii, 1S85, p. 587. 

 (nee Temm.) 

 Allen's Opossum. Tlacuazin in Guatemala. 

 Type locality. Unknown. 

 Geogr. Distr. Southern Mexico to Costa Rica. 



(( . .Mciachi III s f'liscoo'Tiscifs pifUidus Allen. 



Metachinis fuscogriseus pallidus Allen, Bull. Am. Mus. Nat. Hist. 

 N. Y., 1901, p. 215. Elliot, Mamm. Middle Amer. & W. 

 Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 13. Zool. Ser. 

 Orizaba Opossu.m. 



Type locality. Orizaba, State of Vera Cruz, Mexico. 

 Geogr. Distr. States of Vera Cruz, Puebla, and Tabasco, south- 

 eastern Mexico. 



Genus 5. Diddpliys. 



Didelphis (sic) Linnaeus, Syst. Nat., 1758, p. 54. Type Didelphis! 

 marsupialis Linnaeus. 



13. Didelphys yucatanensis Allen. 



Didelphis! yucatanensis Allen, Bull. Am. Mus. Nat. Hist. N. Y., 



1901, p. 178. 



Didelphys yucatanensis Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 14. Zool. Ser. 

 Yucatan Opossum. 



Type locality. Chichen Itza, Yucatan, Mexico. 



Geogr. Distr. States of Campeche and Yucatan, Mexico. 



a. Didel])hys yiiccttcniensis coziiniela' Merriam. 



. Didelphis! yucatanensis cozumelcB Merr., Proc. Biol. Soc. Wash., xiv, 

 1901, p. lOI. 

 Didelphys yucatanensis cozumelce Elliot, Mamm. Middle Amer. & 

 W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 15. Zool. Ser. 



