Monograph of the Trochilidae, or family of hummingbirds: Part III
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- Rainbow-bearded Thornbill plate 187
- Plate depicting: Chalcostigma herrani (Delattre & Bourcier, 1846) -- Rainbow-bearded Thornbill. Alternate name, as printed: Ramphomicron herrani
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- Rufous-capped Thornbill plate 188
- Plate depicting: Chalcostigma ruficeps (Gould, 1846) -- Rufous-capped Thornbill. Alternate name, as printed: Ramphomicron ruficeps