Keywords: PZSL1889Page592.png Bucorvus abyssinicus Bucorvus abyssinicus <small> Boddaert 1783 </small> en Abyssinian Ground Hornbill right<sup>check</sup> upper arm myology from dorsal<sup>check</sup> <br/> a tendon from pectoralis muscle to tensor patagii longus tendon a' tendon to pectoralis primus Bi biceps muscle b r t p tendon of tensor patagii brevis muscle Bs junction of tendon a' and tendon to biceps muscle H humerus Proceedings of the Zoological Society of London http //archive org/details/proceedingsofgen89zool vol 1889 issue 4 http //archive org/stream/proceedingsofgen89zool page/592/mode/1up page 592 1889 published 1890 F E Beddard text PD-old-70-1923 PZSL 1889-4 Bucorvus abyssinicus Bird wing muscles Bird wing bones Bucerotidae anatomy |