DELAWARE VALLEY ORNITHOLOGICAL CLUB. 73 



ZiEGLER, J. Fred. Notes on a Purple Martin Colony. Auk, 

 1923, pp. 431-436.— At Greencastle, Pa. 



Christmas Bird Censuses. Bird Lore, 1923, pp. 20-26. — Thirty- 

 one lists from Pennsylvania, New Jersey and Delaware. 



Bibliography 1924 



Anderson, John C. Passenger Pigeon Reminiscences. The 

 Cardinal, No. 3, January, 1924. pp. 7-10. — Report of 

 conservation regarding Pigeons and Turkeys in the vicinity 

 of Sewickley. 



Beck, Herbert H. Apparent Nesting of the Hooded Merganser 

 in Lancaster Co., Pa. Auk, 1924, p. 659.— May 25, 1924, 

 a pair on Hammer Creek, six miles from Lititz, Pa. apparen- 

 ently with young. 



Beck, Herbert H. A Chapter on the Ornithology of Lancaster 

 County, Pa. Reprinted from the Lewis Historical Pub- 

 lishing Co.'s. History of Lancaster County, Pennsylvania. 

 — The first county list since Libhart's in 1869, (reviewed 

 in the Auk, 1924, p. 623). 



Burleigh, Thomas D. Migration Notes from State College, 

 Center County, Pennsylvania. Wilson Bulletin, 1924, 

 pp. 68-77, 128-132. 



Burns, Frank L. The Philosophy of Birds' Nests. Wilson 

 Bulletin, 1924, pp. 78-88, 121-127, 188-200.— Contains a 

 number of local records. 



Carter, T. Donald. Snow Geese at Boonton, N. J. Auk, 1924, 

 p. 472.— Flock of 37, April 6, 1924. 



Christy, Bayard H. Bewick's Wren in Alleghany County. 

 The Cardinal, No. 3, January, 1924, pp. 12-15. 



Danforth, Stuart T. Short-billed Marsh Wren at New Bruns- 

 wick, N. J. Auk, 1924, p. 349.— September 12, 1923, 

 three, September 15, four, and one each September 18 

 and 22. 



Griscom, Ludlow. The Arctic Three-toed Woodpecker in New 

 Jersey. Bird-Lore, 1924, p. 65. — ^Englewood, N. J., Novem- 

 ber 29, 1923. 



