PLATE 23. KNOT.
Upper: Knot on its nest.
Lower: Nest and eggs of knot. Both photographs taken by Dr. W. Elmer Ekblaw at North Star Bay, Greenland, in June, 1916; presented by him and by courtesy of the American Museum of Natural History, referred to on page [135].
PLATE 24. KNOT. Nesting site of knot, near Sheridan River, Grinnell Land, June 27, 1909; a photograph taken by Admiral Robert E. Peary, loaned by Mr. H. F. Witherby, and published on the author's own responsibility, referred to on page [135].
PLATE 25. KNOT.
Upper: Knot on its nest.
Lower: Nest and eggs of knot, near Sheridan River, Grinnell Land, June 27, 1909. Both photographs taken by Admiral Peary and published under the same circumstances as plate [24], referred to on page [135].