62 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



entered in the order adopted by the reviser ; elsewhere alphabetic 

 sequence has been followed. Except in the case of definitely 

 revised genera, where the author's results are given entire, no 

 attempt is made to record mere changes from binomial to trinomial 

 and the opposite, which involve no actual alteration of names. To 

 the list of additions and changes is appended an annotated bibliog- 

 raphy of the papers in which these were made. 



Order MARSUPIALIA. 

 Family DIDELPHIIDAE. 



Genus MARMOSA Gray. 



1 . Marmosa fulviventer Bangs. 



1901. Marmosa fulviventer Bangs, Amer. nat., xxxv, p. 632. 



August, 1901. 

 Tvpe locality. — San Miguel Island, Panama. 



Genus METACHIRUS Burmeister. 



2. Metachirus fuscogriseus pallidus Allen. 



1901. Metachirus fuscogriseus pallidus Allen, Bull. Amer. 



mus. nat. hist., xiv, p. -215. July 3, 1901. 

 Type locality. — Orizaba, State of Vera Cruz, Mexico. 



Genus DIDELPHIS Linnaeus. 



The North American species of Didelphis were revised by Allen 

 in 1901 (Bull. Amer. mus. nat. hist., xiv, p. 149-188, June 15, 1901), 

 but so many additions and changes have since been made that the 

 forms now recognized are here entered alphabetically. 



Didelphis <iurit<i Wied, p. 7, 1 proves to be confined to south- 

 ern Brazil and neighboring regions (Allen, Bull. Amer. mus. nat. 



1 The page citations after rejected names refer to our original paper (Proc. 

 Boston sue. nat. hist., vol. 30, no. 1). 



