64 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Didelphis marsupialis californica (Bennett), p. 7. This name 
is replaced by: 
Didelphis mesamericana Oken. 
1816. Did\elphys] mes americana Oken, Lehrbuch der zoo- 
logie, ii, p. 1152. 
1902. Didelphis mes-americana Allen, Bull. Amer. mus. 
nat. hist., xvi, p. 256. August 18, 1902. 
Type locality.— Northern Mexico. 
7. Didelphis mesamericana tabascensis (Allen). 
1901. Didelphis marsupialis tabascensis Allen, Bull. Amer. 
mus. nat. hist., xiv, p. 173. June 15, 1901. 
1902. Didelphis mes-americana tabascensis Allen, Bull. 
Amer. mus. nat. hist., xvi, p. 257. August 18, 1902. 
Type locality.— Teapa, State of Tabasco, Mexico. 
8. Didelphis mesamericana texensis (Allen). 
1901. Didelphis marsupialis texensis Allen, Bull. Amer. 
mus. nat. hist., xiv, p. 172. June 15, 1901. 
1902. Didelphis mes-americana texensis Allen, Bull. Amer. 
mus. nat. hist., xvi, p. 256. August 18, 1902. 
Type locality.— Brownsville, Cameron County, Texas. 
Didelphis nelsoni Allen, Bull. Amer. mus. nat. hist., xiv, p. 
160, June 15, 1901 ( nomen nudum), is the same as: 
9. Didelphis yucatanensis Allen. 
1901. Didelphis yucatanensis Allen, Bull. Amer. mus. nat. 
hist., xiv, p. 178. June 15, 1901. 
Type locality.— Chielien-Itza, Yucatan. 
10. Didelphis yucatanensis cozumelae Merriam. 
1901. Didelphis yucatanensis cozumelae Merriam, Proc. 
biol. soc. Washington, xiv, p. 101. July 19, 1901. 
Type locality.— Cozumel Island, Yucatan. 
