Note A — Front matter

The several named forms of Bassaricyon are a single species, Bassaricyon gabbii (Wozencraft, 1989a). [B] These are considered conspecific in some current taxonomies (Kortlucke and Ramirez-Pulido, 1982); however, the scheme followed here maintains them as separate species (Decker, 1991). [C] Several named forms of Procyon are a single species, Procyon lotor (Wozencraft, 1989a).