28 



ANNUAL REPORT OF THE 



REPORT ON THE BIRDS. 



By Willliam Brewster. 



Two hundred and twenty-three skins and two mounted birds 

 have been received by gift from Mr. John E. Thayer and three 

 hundred and eighty skins from Dr. John C. Phillips. Mr. Walter 

 Faxon has given a young Brewster's warbler, taken soon after it 

 had left the nest, in Lexington, Massachusetts, in June, 1910. 

 Other accessions of bird skins by gift have come from Messrs. 

 Outram Bangs, Thomas Barbour, H. B. Bigelow, Gorham Brooks, 

 M. A. Carriker, Jr., G. E. Hodsdon, George Nelson, and J. L. Peters. 



Purchases include a hornbill (Dichoceros bicornis), two petrels 

 (Oestrelata nigripes and Oe. axillaris) and upwards of one hundred 

 skins from Finmark among which are a number of species not 

 hitherto represented in the collections, and many young ducks 

 and waders in interesting plumages. 



Specimens have been loaned to Messrs. W. DeW. Miller, H. C. 

 Oberholser, C. W. Richmond, Robert Ridgway, and W. E. Clyde 

 Todd. 



Exchanges have been made with the U. S. national museum and 

 with the Carnegie museum at Pittsburgh. 



Publications. August 1, 1910-July 31, 1911. 



Concerning the nuptial plumes worn by certain bitterns and the 



manner in which they are displayed. Auk, January, 1911, vol. 



28, p. 90-100. 

 The nuptial plumes of bitterns: a correction. Auk, April, 1911, 



vol. 28, p. 256. 

 Ceremonials of courtship practised by the American merganser. 



Bird lore, May-June, 1911, vol. 13, p. 125-127. 



