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A NupttaLt PERFORMANCE OF THE SAGE Cock. By Frank Bond. (Plate KTS. : 325 
* ApTOSOCHROMATISM. By/. A. Aden. apa pe Saag aun Apa é 4 : a7 
Nores ON THE Brrps OF ReFrucio County, Texas. By/ames J. Carroll. . A : : 337 
Tue Birps oF Care DisaPpPOINTMENT, WASHINGTON. By William H. Kobbé. x Cada 349 
NestTinGc HABITS OF THE CERULEAN WARBLER. By IV. &. Saunders. . . * . 358 
NortTH AMERICAN BIRDS COLLECTED AT SANTA Marra, Cotompia. By/J.A. Allen. .« . 363 
Tue Movutt or rHE NorTH AMERICAN SHORE Brrps (Limiécole@). By Dr. Jonathan Dwight, 
Wee. ; 7 s b . 3 ‘ : : 5 : “ 5 ‘ . : : 368 
GENERAL Norgs.— Occurrence of the Little Blue Heron in Labrador, 386; The Marbled Godwit at 
Pine Point, Maine, 386; The Swallow-tailed Kite at Piermont, N. Y., 386; The Western Red-tail 
at Toronto, Canada, 385; Description of the Nesting Plumage of Falco tslandus, 387; Prairie 
Horned Larks Nesting in Maine, 387; The European Linnet in Westchester County, N. Y., 388; 
The Rough winged Swallow Breeding in Connecticut, 389; The Proper Name for the Florida 
Yellow-throat, 389; The Mockingbird at Barnegat, N. J.,and on Long Island, N. Y., 390; Brief 
Michigan Notes, 390; List of the Rarer Birds met with during the Spring of 1900 in the Immediate 
Vicinity of Toronto, 391. 
Recent LITERATURE. — Beyer’s ‘The Avifauna of Louisiana, 392: Burns’s ‘A Monograph of the 
Flicker,’ 393 ; Nash’s Check-List of the Birds of Ontario,’ 394; Macoun’s ‘ Catalogue of Canadian 
Birds,’ 394; Proceedings of the Delaware Valley Ornithological Club, 395: Cooke’s ‘ Further Notes 
on the Birds ef Colorado,’ 396; Economic Ornithology, 396; Meyer and Wigelsworth’s ‘ Birds of 
Celebes,’ 399; Publications Received, 4or. 
CORRESPONDENCE. — Habits of the Goony, and Notes on Variability of Birds’ Songs, 403. 
Notes anp News.— Announcement respecting ‘The Auk,’ 404; Eighteenth Annual Congress of the 
A. O. U., 404; Notice of the death of C. C. Marble, 404; Ridgway’s ‘ Birds of North and Middle 
America,’ 404; New Ornithological Publications, 405. 
INDEX, 407. 
ERRATA, 424. 
‘THE AUK,’ published as the Organ of the AMERICAN ORNITHOLOGISTS’ 
UNION, is edited by Dr. J. A. ALLEN, with the assistance of Mr. FRANK M. 
CHAPMAN. 
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