Vol. 20 No. 1 (2013)

Front cover: Adult male of Alouatta guariba clamitans in Cachoeira do Sul, state of Rio Grande do Sul, Brazil. Photo: Júlio César Bicca-Marques.

This issue of Neotropical Primates was kindly sponsored by the Margot Marsh Biodiversity Foundation, 432 Walker Road, Great Falls, Virginia 22066, USA, and the Los Angeles Zoo, Director John R. Lewis, 5333 Zoo Drive, Los Angeles, California 90027, USA.