MARMOSA. 



CALUROMYS. 



METACHIRUS. 



Chapman's Opossum. 



I. Adult ? Paratype. Exch. Caura, Trinidad. Am. Mus. 

 Nat. Hist. N. Y. F. M. Chapman. 

 2-3. Adult (S" Exch. Princestown, Trinidad. Am. Mus. Nat. 

 Hist. N. Y. F. M. Chapman. 



Genus 4. Caluroiuys. 



Caluromys Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1900, p. 189. 



Type Didelphis! philander Linnseus. 



fi. CalicTomys lanigej- /jn/Iir/ics (Thomas). 



Philander laniger pallidus Thos., Ann. ]\Iag. Nat. Hist., 7th Ser., 

 IV, 1899, p. 286. 



Fig. I. Caluromys derbianus. Earl of Derby's Opossum 



Cahtromys laniger pallidus Allen, Bull. Am. Mus. Nat. Hist. N. Y., 

 1900, p. 189. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 10. Zool. Ser. Id. 

 Check-L. Mamm. N. Amer. Cont. & W. Indies, F. C. M. Pub.. 

 VI, 1905, p. 4. Zool. Ser. 

 Pale AVoolly Opossum. 



I. Adult — P. Honduras. Ward's Nat. Scien. Establ.. Rochester, 

 N. Y. 



Genus 5. ]>Eetaeliiriis. 



Metachirus Burm., Syst. Uebers. Thier. Bras., i, 1854, p. 135. Type 

 Didelphys nudicaudata E. Geoff roy. 



