Pteromys petuarista

from The Collaborative International Dictionary of English v.0.48

Taguan \Tag"u*an\, n. [From the native name in the East Indies.]
   (Zool.)
   A large flying squirrel ({Pteromys petuarista}). Its body
   becomes two feet long, with a large bushy tail nearly as
   long.
   [1913 Webster]
   [1913 Webster]