62 Sack, Tiventiefk Congress of the A. O. U. [^^^ 



The next, ' Form in Bird Music,' by H. W. Olds, was discussed 

 by Messrs. Brewster, Morris, Dutcher and Fuertes, Mrs. Patten, 

 the Rev. Wm. R. Lord, and the author. 



The concluding papers of the morning were by Dr. R. M. 

 Strong, entitled : ' Change of Color without Molt,' and ' Irides- 

 cence and White Feathers.' 



The following papers — all illustrated by lantern slides — were 

 given at the afternoon session, viz.: ' Some Problems of Local 

 Bird Population,' by Prof. Walter B. Barrows ; ' Ancient Birds and 

 their Associates,' by F. A. Lucas ; ' Observations on the Herons of 

 the District of Columbia,' by Paul Bartsch ; and ' Bird Life in the 

 Bahamas,' by Frank M. Chapman and Louis Agassiz Fuertes. 



Third Day. — The meeting was called to order by the President. 

 Mr. Dutcher, Chairman of the Committee on Protection of North 

 American Birds, presented the report of his Committee for the 

 previous year, which was followed by an address by Dr. T. S. 

 Palmer on 'Federal Game Protection in 1902.' By invitation, 

 Mr. Sheibley, of the U. S. Department of Justice, spoke of certain 

 prosecutions under the Lacey Act. 



' Nesting of the Red-bellied Woodpecker in Harford Co., Md.,' 

 by Wm. H. Fisher, was the third paper. In the absence of the 

 author it was read by Dr. Palmer. 



The fourth paper, ' An Epidemic of Roup in the Canandaigua 

 Crow Roost,' by Elon H. Eaton, was read, in the author's absence, 

 by Mr. H. W. Olds. Remarks followed by F. A. Lucas, Wm. 

 Palmer, and Dr. S. D. Judd. 



The following papers were read by title : 



'Some Variations in the Piping Plover, ^gialitis meloda' by 

 Dr. Jonathan Dwight, Jr. 



' The Significance of Trinomials in Nomenclature,' by Witmer 

 Stone. 



' Notes on Picoides americanus and Picoides arcticus in Minne- 

 sota,' by Dr. T. S. Roberts. 



' Some Food Habits of West Indian Birds,' by B. S. Bowdish. 



' The Domestic Affairs of Bobwhite,' by John N. Clark. 



Resolutions were adopted thanking the Board of Regents of 

 the Smithsonian Institution for the use of a hall in the U. S. 

 National Museum for a place of meeting, and for other courtesies 



