Part 4

, Natural History.

MURPHY, ROBERT CUSHMAN. 1926--Nest-Protecting Display of the Woodcock. Bird-Lore, vol. 28, pp. 265-266.

NAUMANN, JOHANN FRIEDRICH. 1887-1895--Naturgeschichte der Vögel Mitteleuropas. Edited by C. R. Hennicke.

NELSON, EDWARD WILLIAM. 1877--A Contribution to the Biography of Wilson's Phalarope. Bulletin of the Nuttall Ornithological Club, vol. 2, pp. 38-43.

1877_a_--Birds of Northeastern Illinois. Bulletin of the Essex Institute, vol. 8, pp. 90-155.

1883--The Birds of Bering Sea and the Arctic Ocean. Cruise of the Revenue Steamer Corwin in Alaska and the N. W. Arctic Ocean in 1881.

1887--Report upon Natural History Collections made in Alaska.

NEWTON, ALFRED. 1896--A Dictionary of Birds.

NICHOLS, JOHN TREADWELL. 1920.--Limicoline Voices. The Auk, vol. 37, pp. 519-540.

NORMAN, ERNEST S. The Nesting of the Greater Yellowlegs In Manitoba. The Oologist, vol. 32, pp. 126-127.

OSGOOD, WILFRED HUDSON. 1909--Biological Investigations in Alaska and Yukon Territory. North American Fauna, No. 30.

PALMER, WILLIAM. 1890--Notes on the Birds Observed During the Cruise of the United States Fish Commission Schooner Grampus in the Summer of 1887. Proceedings of the United States National Museum, vol. 13, pp. 249-265.

1899--The Avifauna of the Pribilof Islands. The Fur-Seals and Fur-Sea Islands of the North Pacific Ocean,