CONTENTS. 



PAGE. 



To What Extent is it Profitable to Recognize Geographical Forms among 



North American Birds? By J. A. Allen. . i 



On the Eastern Forms of Geothlypis trichas. By Frank M. Chapman 9 



A Summary of Observations on the Birds of the Gulf Coast of Florida. By 



W. E. D. Scott 14 



Notes on Pipilo fitscus mesoleucus and Pipilo aberli, their Habits, Nests and Eggs. 



By Capt Charles E. Bend ire 22 



Observations on some of the Summer Birds of the Mountain Portions of 



Pickens County, South Carolina. By Leverett M. Loomis 30 



On the Winter Distribution of the Bobolink (Dolichonyx oryzivorus), with 



Remarks on its Routes of Migration. By Frank M. Chapman 39 



Observations on the Avifauna of Portions of Arizona. By Dr. Edgar 4. Meams 45 

 Addendum to 'A List of the Birds of the Hudson Highlands, with Annotations. 



By Dr. Edgar A. Mcarns 55 



Note on the Nesting of Buteo brachyurus at St. Marks, Florida. By C. J. Pe?mock 56 

 A New Wren from the Lower Rio Grande, Texas, with Notes on Beklandiek's 



Wren of Northeastern Mexico. By George B. Sennett ....... 57 



Second Supplement to the American Ornithologists' Union Check-List of North 



American Birds 60 



Seventh Congress of the American Ornithologists' Union ... 66 



Recent Literature. — Waterhouse's 'Index Ganerum Avium,' 71 ; Blanchard on the Nomencla- 

 ture of Organized Beings, 73; Ridgway's Ornithology of Illinois, 74; Menzbier s Ornithology 

 of Turkestan, 77; Nehrling's Bird Biographies, 78; Minor Ornithological Publications, 79; 

 Publications Received, S6. 



General Notes.— An Early Date of a Rare Bird in South Carolina, SS; The Mottled Duck in 

 Kansas, SS; Capture of the Widgeon {Anas penelope) on the James River, Virginia, SS; The 

 King Eider (Somateria spectabilis) at Erie, Pennsylvania, SS; The Little Btown Crane (Grits 

 canadensis) in Rhode Island, S9; Baird's Sandpiper at New Haven, Connecticut, S9; Callipepla 

 squamata in Northeastern New Mexico, S9; The Key West Quail-Dove {Geotrygon martin ica) 

 at Key West, 90; Buteo brachyurus and B.fuliginosus, 90; New York City Owls, 90; Afsga- 

 scops asio maxivellice,C)\; The American Hawk Owl neai Washington, D. C, 91 ; Note on 

 Cyanocit/a stclleri litoralis Maynard,9i; Capture of a Canada Jay (Perisoreus canadensis) 

 near Cambridge, Massachusetts, 91 ; A Second Nest and Eggs of Picicorvus columbianus 

 taken in Colorado, 92; Bullock's Oriole in Maine, 92; Notes upon Coccoihraustes Tespertina 

 as a Cagebird, 03; Intergradation between Zonoirichia leucophrys and Z. intermedia, and 

 between the latter and Z. gambeli, 96; Mortality among Bank Swallows, 96; Capture of a 

 Specimen of the Orange-crowned Warbler (Helminthophila celata) in the vicinity of Washing- 

 ton, D. C, 96; A Curious Specimen of the Yellow-throated Warbler ( Dendroica domiuica, 97; 

 The Nest and Eggs'of Reg ulus calendula, 97; Myadestes townsendii Wintering in Montana, 98. 



Notes and News.— Obituary, John G. Bell, 9S; Specimens Exhibited at the A. O. U. Congress, 

 99; Photographs of Birds, 99; Dr. E. A. Mearns's Collections, 100; Ornithologists at the 

 American Museum, 100; The Late Mr. Snowdon Howland's Collection of Eggs, 100; Davie's 

 •Nests aud Eggs of North American Birds,' 100. 



"THE AUK,' published as the Organ of the American Ornithologists' 

 Union, is conducted as a Magazine of General Ornithology. In general 

 character it differs little from the late ' Bulletin of the Nuttall 

 Ornithological Club,' of which it forms virtually a Second Series. 



'The Auk' is edited by Mr. J. A. Allen, with the assistance of Mr. C. 

 F. Batchelder. 



Terms: — $3-oo a year, including postage, strictly in advance. Single num- 

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 of the A.O.U. not in arrears for dues. 



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 L. S. FOSTER, 35 Pine Street, New York, N. Y. Foreign Subscribers 

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All articles and communications intended for publication, and all books and 

 publications for notice, should be sent to J. A. ALLEN, American Museum or 

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