Keywords: Ptyonoprogne fuligula 1894.jpg Rock Martin Hirondelle isabelline http //archive org/stream/monographofhirun02sha page/n41/mode/2up A monograph of the Hirundinidae creator Richard Bowdler Sharpe 1894 PD-old-100 Ptyonoprogne fuligula Richard Bowdler Sharpe A monograph of the Hirundinidae |