The Collaborative International Dictionary of English v.0.48:

Galago \Ga*la"go\, n.; pl. Galagos. [Native name.] (Zool.)
   A genus of African lemurs, including numerous species.
   [1913 Webster]

   Note: The grand galago (Galago crassicaudata) is about
         the size of a cat; the mouse galago (G. murinus)is
         about the size of a mouse. Galanga

The Collaborative International Dictionary of English v.0.48:

bush baby \bush baby\, bushbaby
\bush"ba*by\(b[.u]sh"b[=a]*b[y^]), n.
   1. any of several agile long-tailed nocturnal African
      lemurlike primates of the genus Galago with dense woolly
      fur and large eyes and ears; -- called also galago.
      [WordNet 1.5]