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Hemignathus sagittirostris. Illustration showing Viridonia sagittirostris which is now synonym of the Greater Amakihi Hemignathus sagittirostris from Avifauna of Laysan By Lionel Walter Rothschild nd Baron Rothschild February August by John Gerrard Keulemans Dutch bird illustrator which was issued from sil si edu cfm bookid