The Collaborative International Dictionary of English v.0.48:

Macaco \Ma*ca"co\, n. [Cf. Pg. macaco.] (Zool.)
   Any one of several species of lemurs, as the ruffed lemur
   (Lemur macaco), and the ring-tailed lemur (Lemur catta).
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

madagascar cat \madagascar cat\ n. (Zool.)
   A small lemur having its tail barred with black.

   Syn: ring-tailed lemur, Lemur catta.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Vari \Va"ri\, n. [Cf. F. vari.] (Zool.)
   The ringtailed lemur (Lemur catta) of Madagascar. Its long
   tail is annulated with black and white.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Lemur catta
    n 1: small lemur having its tail barred with black [syn:
         Madagascar cat, ring-tailed lemur, Lemur catta]