PLATE 30. PECTORAL SANDPIPER.
Upper: Pectoral sandpiper, Buckeye Lake, Ohio, September, 1924; presented by Mr. Edward S. Thomas.
Lower: Downy young pectoral sandpipers, St. Michael, Alaska, June 27, 1914; a photograph taken by Mr. F. Seymour Hersey for the author.
PLATE 31. WHITE-RUMPED SANDPIPER.
Upper: Nest and eggs of white-rumped sandpiper, June 23, 1925.
Lower: White-rumped sandpiper on its nest, June 21, 1925. Both photographs taken by Mr. J. Dewey Soper at Nettilling Lake, Baffin Island; presented by him, and by courtesy of the Department of Mines, Canada, referred to on page [183].