The Collaborative International Dictionary of English v.0.48:

Guevi \Gue"vi\, n. (Zool.)
   One of several very small species and varieties of African
   antelopes, of the genus Cephalophus, as the Cape guevi or
   kleeneboc (Cephalophus pygm[ae]a); -- called also pygmy
   antelope.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Kleeneboc \Kleene"boc`\ (kl[=e]n"b[o^]k`), n. [D. kleen little,
   small + bok buck.] (Zool.)
   An antelope (Cerphalopus pygm[ae]us), found in South
   Africa. It is of very small size, being but one foot high at
   the shoulder. It is remarkable for its activity, and for its
   mild and timid disposition. Called also guevi, and pygmy
   antelope.
   [1913 Webster]