Volume 67(4) (December 2005) of the American Journal of Primatology was dedicated to “Recent Advances in Color Vision Research.” It was edited by Hannah M. Buchanan- Smith, and includes eight articles along with an introduction by the editor. Contents: Introduction: Recent advances in color vision research – H. M. Buchanan-Smith, pp.393–398; Comparative use of color vision for frugivory by sympatric species of platyrrhines – K. E. Stoner, P. Riba-Hernández & P. W. Lucas, pp.399–409; Sugar concentration of fruits and their detection via color in the Central American spider monkey (Ateles geoffroyi) – P. Riba-Hernández, K. E. Stoner & P. E. Lucas, pp.411–423; Advantage of dichromats over trichromats in discrimination of color-camouflaged stimuli in nonhuman primates – A. Saito, A. Mikami, S. Kawamura, Y. Ueno, C. Hiramatsu, K. A. Widayati, B. Suryobroto, M. Teramoto, Y. Mori, K. Nagano, K. Fujita, H. Kuroshima & T. Hasegawa, pp.425–436; Influence of stimuli size on color discrimination in capuchin monkeys – U. R. Gomes, D. M. A. Pessoa, E. Suganuma, C. Tomaz & V. F. Pessoa, pp.437–446; Color vision polymorphism in wild capuchins (Cebus capucinus) and spider monkeys (Ateles geoffroyi) in Costa Rica – C. Hiramatsu, T. Tsutsui, Y. Matsumoto, F. Aureli, L. M. Fedigan & S. Kawamura, pp.447–461; Color vision pigment frequencies in wild tamarins (Saguinus spp.) – A. K. Surridge, S. S. Suarez, H. M. Buchanan-Smith, A. C. Smith & N. I. Mundy, pp.463–470; Demonstration of a genotype-phenotype correlation in the polymorphic color vision of a non-callitrichine New World monkey, capuchin (Cebus apella) – A. Saito, S. Kawamura, A. Mikami, Y. Ueno, C. Hiramatsu, K. Koida, K. Fujita, H. Kuroshima & T. Hasegawa, pp.471–485; Color vision in marmosets and tamarins: Behavioral evidence – D. M. A. Pessoa, C. Tomaz and V. F. Pessoa, pp.487–495.