4 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
* Chironectes minimus (Zimmermann), 
1780. Latra (sic) minima Zimmermann, Geogr. Gesch., ii, p. 
317. 
1885. Chironectes variegatics True, Proc. U. S. nat. mus., 
VII (1884), p. 587. 1885. 
1887. Chironectes minimus Lydekker, Catal. loss. 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. 
r^gne animal, p. 186, 1842) see Thomas, Ann. and mag. nat. hist., 6th 
ser., XVI, p. 58, July, 1895. 
IMarmosa canescens (Allen). 
1893. Didelphis {Micoiireus) canescens Allen, Bull. Amer. 
mus. nat. hist., v, p. 235. September 22, 1893. 
1897. Marmosa 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., vii 
(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 insidaris Merriam, Proc. biol. soc. Wash¬ 
ington, XII, p. 14. January 27, 1898. 
Type locality. — Maria Madre Island, Ties Marias Islands, 
State of Jalisco, Mexico. 
