semnopithecus mitratus

from The Collaborative International Dictionary of English v.0.48

Soulili \Sou"li*li`\ (s[=oo]"l[-e]*l[=e]`), n. (Zool.)
   A long-tailed, crested Javan monkey ({Semnopithecus
   mitratus}). The head, the crest, and the upper surface of the
   tail, are black.
   [1913 Webster]