4 PKOCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



* Chironectes minimus (Zimmermann). 



1780, Latra (sic) minima Zimmermann, Geogr. Gesch., ii, p. 



317. 

 1885. Chironectes variegatus True, Proc. U. S. nat. mus., 



VII (1884), p. 587. 1885. 

 1887. Chironectes minimus Lydekker, Catal. foss. mamm. 



Brit, mus., pt. v, p. 289. 

 Type locality. — Guiana. 



Genus MARMOSA Gray. 



1821. Marmosa Gray, London med. repos., xv, p. 308. April 

 1, 1821. Type. — Didelphis murina Linnaeus. 



For use of this name in place of Micoureus Lesson (Nouv. tabl. 

 r6gne animal, p. 186, 1842) see Thomas, Ann. and mag. nat. hist., 6th 

 ser., XVI, p. 58, Juh', 1895. 



Marmosa canescens (Allen). 



1893. Didelphis {Micoureus) canescens Allen, Bull. Amer. 



mus. nat. hist., v, p. 235. September 22, 1893. 

 1897. 2Iarmosa canescens Allen, Bull. Amer. mus. nat. hist., 



IX, p. 58. March 15, 1897. 

 Type locality. — Santo Domingo de Guzman, Isthmus of 



Tehuantepec, Mexico. 



* Marmosa cinerea (Temminck). 



1827. Didelphis cinerea Temminck, Monogr. mamm., i, p. 



46. 

 1885. Didelphys cinerea True, Proc. U. S. nat. mus., vn 

 (1884), p. 587. 1885. 



1897. Marmosa cinerea. Allen, Bull. Amer. mus. nat. hist., 

 IX, p. 43. March 11, 1897. 



Type locality. — Brazil. 



Marmosa insularis Merriam. 



1898. Marmosa insularis Merriam, Proc. biol. soc. Wash- 

 ington, XII, p. 14. January 27, 1898. 



Type locality. — Maria Madre Island, Tres Marias Islands, 

 State of Jalisco, Mexico. 



