DTDELPFIYS GLTRTNA, &C. 
513 
Didelphys glirina . (Natt.) Warner. 
Wikrm., Archiv, l. c. 
Fur ashy grey ; under parts of the body lioary grey, 
washed witli yellowish ; the sides ochreous ; head short; ears 
moderate; tail not quite equal to half the body in length, 
hairy at the base; beyond, almost naked. Length of the 
body 6^- inches; of tail, 2 inches 7 lines. 
From Mamore. 
Didelphys velutina. (Natt.) Wagner. 
Wiegm., Archiv, /. c. p. 360. 
General tint mouse-grey, under parts whitish, the white 
separated from the grey by a well marked line; tail, except¬ 
ing at the base, beset throughout with minute, adpressed, 
glossy hairs, and these of a brown colour. Length of body 
3§ inches; of tail, 2f inches. 
From Ypanema. 
Didelphys unistriata. (Natt.) Wagner. 
Wieg., Archiv, l. c. 
This species has the upper parts reddish mixed with grey, 
and on the back is a darker stripe ; the under parts are 
reddish; the tail short, and slightly hairy. Length of the 
body 5J inches ; of tail, 2\ inches. 
From Ytarare. 
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