234 U.S. NATIONAL MUSEUM BULLETIN 233 



Hoffman, W. J. — Continued 



1881. Annotated list of the birds of Nevada. Bull. U.S. Geol. and Geogr. 

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 HoFSLUND, Pershing B. 



1953. The birds of the Nortondali Tract, Duluth, Minnesota. Flicker, 



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 1957. Cowbird parasitism of the northern yellow-throat. Auk, vol. 74, 



pp. 42-48. 

 1959. A life history study of the 3'ellowthroat, Geothlypts trichas. Proc. 

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 HoFSTEAD, Russell 



1950. Cowbird-wood thrush relationship. Flicker, vol. 22, pp. 108-109. 

 Honecker, Joseph F. 



1902. A cowbird's nest. Amer. Ornit., vol. 2, p. 164. 

 Hooper, Ronald, and Hooper, Donald 



1954. A preliminary list of the birds of the Somme District, Saskatchewan. 



Yorkton Nat. Hist. Soc. Contr., no. 3, pp. 13. 



HoRSBRUGH, C. B. 



1915. Ornithological notes from Alix and Buffalo Lake districts. Province 



of Alberta, Canada, 1914. Ibis, ser. 10, vol. 3, pp. 670-689. 

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 Houston, C. Stuart and Street, Maurice G. 



1959. The birds of the Saskatchewan River, Carlton to Cumberland. 

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1942. Notes on the nesting habits of the American robin {Turdus migra- 

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1885. Nest and eggs of the golden-winged warbler. Auk, vol. 2, pp. 

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 Hudson, William Henry 



1870. Letters on the ornithology of Buenos Ayres. Proc. Zool. Soc. 



London, no. 6, pp. 548-550; no. 7, pp. 671-673. 

 1874. On the procreant instincts of the three species of Molothrus found 



in Buenos Ayres. Proc. Zool. Soc. London, pp. 153-174. 

 1920. The birds of La Plata. Vol. 1, pp. 244. 

 Hyde, A. Sidney 



1939. The life history of Henslow's sparrow, Passerherbulus henslowi 

 (Audubon). Misc. Publ. Zool., Univ. Michigan, no. 41, pp. 72, 

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 Imhof, Thomas A. 



1949. Interesting birds summering in north Alabama. Migrant, vol. 20, 

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 Ingersoll, S. R. 



1890. That cheeky cowbird. Ornithologist and Oologist, vol. 15, p. 31. 

 Jacobs, J. Warren 



1888. Tufted titmouse. Bay State Oologist, vol. 1, p. 15. 

 1893. Summer birds of Greene County, Pennsylvania. Pp. 14. 

 1923. Cowbird {Molothrus aler) lays egg direct from oviduct into the nests 

 of its victims. Oologists' Rec, vol. 3, pp. 19-20. 



