The Collaborative International Dictionary of English v.0.48:

Koklass \Ko"klass\, n. (Zool.)
   Any pheasant of the genus Pucrasia. The birds of this genus
   inhabit India and China, and are distinguished by having a
   long central and two lateral crests on the head. Called also
   pucras.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pucras \Pu"cras\, n. [From a native name in India.] (Zool.)
   See Koklass.
   [1913 Webster]