CLASS MAMMALIA. 



Order I. Marsupialia. Marsupials. 



Family I. IHdelpliyiclse. Opossum*. 



Genus i. Chiroiiectes. 



Chironectes Illig., Prodr. Syst. Mamm. et Av., 1811, p. 76. Type 



Lair a! minima Zimmermann. 

 Memina G. Fisch., Zoogn., in, 1814, p. 611. 



1. Chironectes minimus (Zimmermann). 



Latra! minima Zimm., Geog. Gesch., u, 1780, p. 317. 



Mustela paragiiensis Kerr, Linn. Anim. Kingd., 1792, p. 172. 



Mustela guianensis Kerr, Linn. Anim. Kingd., 1792, p. 174. 



Didelphis! memina Cuv., Tabl. Element., 1798, p. 125. 



Lutra sarcovienna Shaw, Gen. Zool., i, Pt. n, 1800, p. 447. 



Chironectes variegatus Illig., Abh. Ak. Wiss. Berl., 1811, p. 107. 



Chironectes palmata Cuv., Regn. Anim., i, 1817, p. 174. 



Chironectes yapock Desm., Mamm., i, 1820, p. 261. 



Chironectes minimiis Elliot, Mamm. Middle Amer. & W. Indies, 



F. C. M. Pub., iv, Pt. i, 1904, p. 3, figs, i, i. Zool. Ser. 

 WATER OPOSSUM, YAPOCK. Zarro de Agua in Costa Rica; Tlacuazin 

 de Agua in Guatemala. 



Type locality. Guiana. 



Geogr. Distr. Guatemala, south through Central America to 

 southern Brazil. 



Genus 2. Marmosa. 



Marmosa Gray, Lond. Med. Repos., xv, 1821, p. 308. Type Didel- 

 phis! murina Linnaeus. 



Micoureus Less., Tabl. Regn. Anim., Mamm., 1842, p. 186. 

 Asagis and Notagogus Glog., Hand- u. Hilfsb. Naturg., i, 1841, 

 p. 82. 



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