1S91.] Third Sttp/^hmciil to the A. O. U. C/icck-L/st. 83 



One of the interesting^ features of tlie meetinq^ was the exliihi- 

 tion of pictures, thrown on a screen, of livin<i^ l)ircls taken in their 

 haunts, and of nests in situ, from photographs made by Mr. 

 Henry M. Spehnan of Cambridge, Mass., and explained by Mr. 

 WilHam Brewster, who spoke of the great difficulty of obtain- 

 ing successful results in this class of work. 



Resolutions were adopted extending the thanks of the Union 

 to the Board of Regents of the Smithsonian Institution for the 

 use of the lecture hall of the National Museum and for other 

 courtesies tendered to the Union during the session of the Eighth 

 Congress ; to the Cosmos Club of Washington for courtesies ex- 

 tended to the visiting members ; to the Washington members 

 for their generous hospitalities to the visiting members ; and to 

 the retiring President, Dr. Allen, for the efficient and impartial 

 manner in which he had presided over the Union during the 

 seven years since its foundation. 



It was voted to hold the next Congress at the American Museum 

 of Natural History in New York City, on the third Tuesday in 

 November, 1S91. 



THIRD SUPPLEMENT TO THE AMERICAN ORNITH- 

 OLOGISTS' UNION CHECK-LIST OF 

 NORTH AMERICAN BIRDS. 



By order of the Council of the American Ornithologists' 

 Union the Committee on Publication has prepared the following 

 report on the species, subspecies, and changes of nomenclature 

 proposed during the year ending November, 1890, to be pub- 

 lished as the Third Supplement to the American Ornithologists' 

 Union Check-List. 



In accordance with the action of the Council, the Committee 

 in cases of the rejection of proposed changes or additions, gives 

 its reasons for considering them inadmissible. 



A few cases are necessarily deferred from lack of the requisite 

 data to enable the Committee to reach satisfactory decisions. 



The Council having passed a standing order for the preparation 



