Buphagus langi Chapin Buphagus langi Chapin 1921: 4 (Zambi, Lower Congo). Now Buphagus africanus langi Chapin, 1921. See Chapin, 1954b: 175–176; Amadon, 1962a: 121; Dickinson, 2003: 659; Lovette and Rubenstein, 2007: 1048; and Craig, 2009: 653. HOLOTYPE: AMNH 163005, adult female, collected at Zambi, 05.51S, 12.52E (Chapin, 1954a), lower Congo River, Congo (Kinshasa), on 16 January 1915, by James P. Chapin (no. 6203). From the Lang-Chapin Expedition. COMMENTS: Chapin gave the AMNH number of the holotype in the original description and listed four paratypes: Zambi, AMNH 163002, 163003, unsexed, 4 July 1915, collected by Herbert Lang; AMNH 163004, immature male, 25 June 1915, AMNH 163006, immature female, 16 January 1915, both col...