536 U.S. NATIONAL MUSEUM BULLETIN 221 



of the "duplicate specimens," mentioned by Stone, purchased by Audubon 

 after the formal description of Townsend's discoveries. 

 Dendroica auduboni memorabilis Oberholser 



Ohio Journ. Sci. 21 (7) : 243, May 1921. 

 137415. Adult male. Ward, Boulder County, Colorado. June 12, 1893. 



Collected by John A. Loring. Original number 55. Received from 



the U.S. Fish and Wildlife Service. 

 Dendroica goldniani Nelson 



Auk 14 (1) : 66, January 1897. 

 =Dendroica auduboni nigrifrons Brewster? See Griscom, Bull. Amer. 



Mus. Nat. Hist. 64: 331, 1932. 

 143169. Adult male. Hacienda "Chancol," Department of Huehuete- 



nango, Guatemala. Jan. 4, 1896. Collected by Edward W. Nelson 



and Edward A. Goldman. Original number 3341. Received from the 



U.S. Fish and Wildlife Service. 

 S[ylvia]. nigrescens J. K. Townsend 



Journ. Acad. Nat. Sci. Philadelphia 7 (2) : 191, 1837. 

 =Dendroica nigrescens (Townsend). See Hellmayr, Catalogue of birds 



of the Americas 8: 392, 1935. 

 1908. Adult male. "Columbia River"=vicinity of Fort William 



(formerly on Sauvie's Island), Multnomah County, Oregon. June 16, 



1835. Collected by John K. Townsend. Received from Spencer F. 



Baird, who acquired it from John J. Audubon. 

 2915. Adult male. "Columbia River"=vicinity of Fort William, 



Multnomah County, Oregon. May 14, 1835. Collected by John K. 



Townsend. Received from Spencer F. Baird, who acquired it from 



John J. Audubon. 

 Sylvia halseii Giraud 



Description of sixteen new species of North American birds, [p. 11,] 

 • pi. 3, fig. 1, 1841. 

 =Dendroica nigrescens (Townsend). See Behle, Bull. Univ. Utah 



34 (2) : 65, 1943. 

 47697. Immature (sex not indicated). "Texas." "1838." Received 



from Jacob P. Giraud, Jr. 

 See my remarks under Muscicapa texensis Giraud (p. 275) . 

 S[ylvia]. Townsendi "(Nuttall.)" Townsend 



Journ. Acad. Nat. Sci. Philadelphia 7 (2) : 191, 1837. 

 =Dendroica toivnsendi (Townsend). See Hellmayr, Catalogue of birds 



of the Americas 8:392, 1935. 

 2918. Adult male. "Shady forests of the Columbia River" = Fort Van- 

 couver, Clarke County, Washington. Oct. 28, 1835. Collected by 



John K. Townsend. Received from Spencer F. Baird, who acquired it 



from John J. Audubon. 

 The date for this skin is derived from the oldest label, written by 

 Audubon, and if it be correct, one may doubt whether No. 2918 is the type. 



