Rare first edition illustrated with 10 splendid full-page colour plates by John Gerrard Keulemans, lithographed, hand-coloured and gum-finished (cf. Not in Gay. Nissen, Illustrierten Vogelbücher, 74. Anker, Bird Books, p. 69. Unrecorded by Ronsil, Bibliographie ornithologique française. Zimmer, p. 39).
Contemporary half brown morocco over marbled boards, spine with five raised bands, slightly faded, gilt lettering with date and place at foot, corners in morocco, orange endpapers and pastedowns. Minor rubbing to spine.
"Portugal too, has contibuted to the knowledge of african avifauna, for instance in the work 'Ornithologie d'Angola' […] an important monograph on the birds inhabiting the Portuguese possessions of Central and West Africa" (Anker, p. 69).
José Vincente Barboza du Bocage (1823–1907), Portuguese politician and zoologist, served as director of the National Museum of Zoology in Lisbon. He was unrelated to the French geographers of the Barbier du Bocage family.
John Gerrard Keulemans (1842–1912) was "one of the greatest foreign wildlife artists, illustrator of many of the finest English works" (Ronsil, L'Art français dans le livre d'oiseaux).
The title page of the first instalment (1877) has been preserved and bound in before the final title page (1881).
Autograph dedication by José Vincente Barboza du Bocage on the title page: "British Ornithologists' Union hommage de l'auteur". Old pencil annotations to the list of plates. A handsome copy.