1937. Bird studies at Old Cape May. Delaware Valley Orni. Club, Philadelphia, Vol. 1, 1-520 + 15 pp., pls. 1-46 and frontis.

THOMSON, A. L.

1926. Problems of bird migration. Houghton Mifflin Company, Boston.

VAN OORDT, G.

1943. Vogeltrek. E. J. Brill, Leiden, xii + 145 pp.

VERY, F. W.

1897. Observations of the pa.s.sage of migrating birds across the lunar disc on the nights of September 23 and 24, 1896.

Science, 6:409-411.

WALTERS, W.

1927. Migration and the telescope. Emu, 26:220-222.

WEST, R. H.

1896. Flight of birds across the moon's disc. Nature (London), 53:131.

WILLIAMS, G. G.

1941-1948. The season: Texas coastal region. Audubon Mag., 43-50.

1945. Do birds cross the Gulf of Mexico in spring? Auk, 62:98-111.

1947. Lowery on trans-Gulf migration. Auk, 64:217-238.

WINKENWERDER, H. A.

1902_a_. The migration of birds with special reference to nocturnal flight. Bull. Wisconsin Nat. Hist. Soc., 2:177-263.

1902_b_. Some recent observations on the migration of birds. Bull.

Wisconsin Nat. Hist. Soc., 2:97-107.

Transmitted June 1, 1949.

23-1020

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Vol. 1. (Complete) Nos. 1-26. Pp. 1-638. August 15, 1946-January 20, 1951.

Vol. 2. (Complete) Mammals of Washington. By Walter W. Dalquest.

Pp. 1-444, 140 figures in text. April 9, 1948.

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2. A quant.i.tative study of the nocturnal migration of birds.

By George H. Lowery, Jr. Pp. 361-472, 47 figures in text.

June 29, 1951.