Monograph of the Trochilidae, or family of hummingbirds: Part III
Primary tabs
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- Purple-backed Thornbill plate 189
- Plate depicting: Ramphomicron microrhynchum (Boissonneau, 1840) -- Purple-backed Thornbill. Alternate name, as printed: Ramphomicron microrhyncha
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- Purple-bibbed Whitetip plate 190
- Plate depicting: Urosticte benjamini (Bourcier, 1851) -- Purple-bibbed Whitetip