Cooke — Birds of the Washington Region. 5 



Laughing Gull (Chroicocephalus atricilla). — Two, September 24, 1894 

 (W. Palmer); flock, September 9, 1914 (F. M. Weston, Jr.); several, May 

 11-12, 1917 (W. Palmer); two, April 27, 1918 (F. Harper); two, October 

 26, 1919 (F. Harper); four, September 26, 1920 (J. Kittredge, Jr.); other 

 records without dates. 



Gull-billed Tern (Gelochelidon nilotica). — Occasional in autumn. 



Caspian Tern (Hydroprogne caspia). — September 29, 1896 (C. W. Rich- 

 mond); two, October 4, 1896 (Spec. U. S. Nat. Mus.); eight. May 11, 

 1917 (F. Harper); one. May 5, 1918 (A. Wetmore). 



Forster's Tern {Sterna forsteri). — One, August, 1859 (Spec. U. S. Nat. 

 Mus.); one, summer 1875 (fide P. L. Jouy). 



Common Tern (Sterna hirundo). — One about 1860 (C. Drexler); flock of 

 twelve. May 7, 1894 (W. Palmer); several. May 11, 1917 (W. Palmer)— 

 May 26, 1917 (I. N. Gabrielson); ten, April 24 and 27, 1918 (R. W. 

 Moore) ; two, December 23,. 1918 (Preble and Wetmore) ; two. May 2 and 

 16, 1920 (J. Kittredge, Jr.); twelve, October 31, 1920 (J. Kittredge, Jr.). 



Least Tern {Sternula antillarum antillarum). — One about 1858-59 (C. 

 Drexler); one, August 17, 1878 {fide C. W. Richmond). 



Black Skimmer {Rynchops nigra). — One, September 8, 1858 (Coues and 

 Prentiss). 



Leach's Petrel {Oceanodroma leucorhoa leucorhoa). — Four, August, 1842 

 (Spec. U. S. Nat. Mus.); two, about 1859 (Spec. U. S. Nat. Mus.); one, 

 probably this species, January, 1878 (W. Palmer); one, June 7, 1891 

 (Spec. U. S. Nat. Mus.). 



Hawaiian Petrel {Oceanodroma castro castro). — August 28-30, 1893 

 (W. Palmer). 



Wilson's Petrel {Oceanites oceanicus). — One, August, 1842 (Auk, XXXV, 

 1918, p. 85); one about 1859 (Spec. U. S. Nat. Mus.); one, June 27, 1914 

 (Spec. U. S. Nat. Mus.). 



Double-crested Cormorant {Phalacrocorax auritus auritus). — One, 1859 

 (Spec. U. S. Nat. Mus.); one, July 19, 1884 (W. Palmer); one, November, 

 1884 {fide C. W. Richmond); two, April 19, 1896 (A. K. Fisher); one, 

 October 1, 1896 (C. W. Richmond) ; several. May 11, 1917 (W. Palmer)— 

 May 20, 1917 (Miner and Moore). 



American White Pelican {Pelecanus erythrorhynchos). — One, 1863 (Spec. 

 U. S. Nat. Mus.); one, April, 1864 (Spec. U. S. Nat. Mus.); two, autumn, 

 1864 {fide Smith and Palmer) ; one, October, 1878 {fide Smith and Palmer) . 



Red-Legged Black Duck {Anas rubripes rubripes). — Occurs in migration 

 but is seldom distinguished from the Black Duck (A . r. tristis). The only 

 definite dates are: March 25, 1917 (F. Harper); April 21, 1918 (F. 

 Harper) . 



Gad WALL {Chaulelasmus streperus). — February 25, 1860 (Spec. U. S. 

 Nat. Mus.); flock, August 24, 1884 {fide C. W. Richmond); two, Novem- 

 ber 1, 1916 (H. C. Oberholser); one, December 27, 1919 (Preble and 

 Wetmore); three, March 28, 1920 (A. Wetmore). 



European Widgeon {Mareca penelope). — Spring, 1863 (Spec. U. S. Nat. 

 Mus.); October 16, 1892 (Spec. U. S. Nat. Mus.). 



