Head-body 20-27 cm; tail 20-27 cm; weight 250-500 g.
A strikingly-coloured arboreal squirrel of the extreme south rainforest.
Upperpart black, underpart and lower part of both legs chestnut red,
between which there is a broad white side stripe running from the snout to
hind quarter, with a thin black line below it. Tail bushy black, as long as
the head-body length.