Keywords: ChroicocephalusSaundersiKeulemans.jpg Chroicocephalus saundersi Proceedings of the Zoological Society of London 1871 http //www archive org/stream/proceedingsofgen71zool page/n344/mode/1up web 1871 Creator Joseph Smit pd-old-70 Joseph Smit PZSL 1871 Chroicocephalus saundersi |