Monograph of the Trochilidae, or family of hummingbirds: Supplement Completed after the author's death by R. Bowdler Sharpe
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- Black-backed Thornbill plate 43
- Plate depicting: Ramphomicron dorsale (Salvin & Godman, 1880) -- Black-backed Thornbill. Alternate name, as printed: Rhamphomicron dorsale
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- Olivaceous Thornbill plate 44
- Plate depicting: Chalcostigma olivaceum (Lawrence, 1864) -- Olivaceous Thornbill. Alternate name, as printed: Rhamphomicron olivaceum