Keywords: PZSL1907Page211.png Hystrix cristata <small></small> Hystrix cristata <small>Linnaeus 1758</small> ™‚ en Parietal veins of male Crested Porcupine from ventral 1/2/3 first ribs Az l hemiazygos vein Az r azygos vein Å“s esophagal vein p c superior vena cava Scl subclavian veins S i superior intercostal veins Proceedings of the Zoological Society of London http //archive org/details/proceedingsofzoo19071446zool vol 1907 issue 1 http //archive org/stream/proceedingsofzoo19071446zool page/211/mode/1up page 211 1907 F E Beddard text PD-old PZSL 1907-1 Hystrix cristata anatomy Mammal circulatory system Veins |