Cercopithecus dryas Schwartz, 1932 . Rev. Zool. Bot. Afr., 21:251.

TYPE LOCALITY: Zaire, Ikela Zone, Yapatsi. (See Thys van den Audenaerde, 1977:1006) .

DISTRIBUTION: Known only from a few localities in C Zaire (Wamba Dist., 22O31'- 33°E, and 0°01'N- 0°0rS); see Kuroda et al. (1985, as Cercopithecus salongo).

STATUS: CITES - Appendix II; IUCN - Vulnerable as C. salongo .

SYNONYMS: salongo Thys van den Audenaerde, 1977 .

COMMENTS: Not a subspecies of diana; possibly related to Chlorocebus aethiops; see Thys van den Audenaerde (1977:1007). C. salongo is an age-variant of this species, see Colyn et al. (1991).