236 U.S. NATIONAL MUSEUM BULLETIN 233 



Kendbigh, S. C. 



1942. Analysis of losses in the nesting of birds. Journ. Wildlife Manage- 

 ment, vol. 6, pp. 19-26. 

 Keyes, Charles R. and Williams, H. S. 



1888. A preliminary annotated catalogue of the birds of Iowa. Proc. 

 Davenport Acad. Nat. Sci., vol. 5, pp. 49. 

 Kibbe, a. E. 



1892. Some of my best finds to June 8, 1892. Ornithologist and Oologist, 

 vol. 17, pp. 133-134. 

 Kimball, H. H. 



1935. Brainy birds. Oologist, vol. 52, p. 59. 

 King, James R. 



1954. Victims of the brown-headed cowbird in Whitman County, Washing- 



ton. Condor, vol. 56, pp. 150-154. 



1955. Notes on the life history of Traill's flycatcher (Emipidonax trallii) in 



southeastern Washington, Auk. vol, 72, pp. 148-173. 

 Klugh, a. B. 



1906. The breeding of the pine siskin in Wellington County, Ontario. 

 Ontario Nat. Sci. Bull., no. 2, pp. 17-18. 

 Knight, Ora W. 



1906. Notes on the yellow palm warbler. Warbler, vol. 2, p. 6. 

 1908. The birds of Maine. Pp. 693. 

 Krause, Herbert 



1954. Preliminary notes on the pine siskin in South Dakota. South 



Dakota Bird Notes, vol. 6, pp. 41-42. 

 Krieg, Hans 



1950. Tierpsychologische Beobachtungen in Siidamerika. Veroffentlich- 

 ungen der Zool. Staatsamlungen, Miinchen, vol. 1, pp. 63-96. 

 Kitmlien, Ludvig, and Hollister, Ned. 



1903. The birds of Wisconsin. Bull. Wisconsin Nat. Hist. Soc, vol. 3, 

 new ser., nos. 1, 2, 3, pp. 143. 



KtJSCHEL, M. 



1896. Note. Ibis, ser. 7, vol. 2, p. 585. 



1897. tlber die fortpflanzung von Cassidix oryzivora Sci. Journ fiir 



Ornith., vol. 45, pp. 168-170. 

 Lack, David Lambert 



1947-48. The significance of clutch-size. Ibis, vol. 89, pp. 303-352; vol. 



90, pp. 25-45. 

 1950. Population ecology in birds: A review. Proc. Xth Intern. Ornith. 



Congr., Uppsala, pp. 409-448. 

 1954a. The natural regulation of animal numbers. Pp. 343. 

 1954b. The evolution of reproductive rates. In Evolution as a process, edit. 

 J. Huxley, A. C. Hardy, and E. B. Ford, pp. 143-156. 

 Ladd, Samuel B. 



1887a. Nesting of the worm-eating warbler. Ornithologist and Oologist, 



vol. 12, p. 110. 

 1887b. A series of eggs of the worm-eating warbler. Ornithologist and 

 Oologist, vol. 12, pp. 149-151. 

 LaFave, L. D. 



1955. The unusual feeding of a young Nevada cowbird. Murrelet, vol. 36, 



p. 25. 



