1. 3/4: Ridgway's Petrel.: Oceanodroma cryptoleucura.: J.G. Keulemans del et lith.: Mintern Bros. imp Collection: Hill Ornithology Collection Date: 1871 Format: Image Creator: Keulemans, Johannes Gerardus (Dutch painter and printmaker, 1842-1912, active in England) Engraver: J.G. Keulemans
