PREFACE 



At the Sixth Congress of the American Ornithologists' Union, 

 held in Washington, D. C, November 13-15, 1888, it was decided 

 to publish a Supplement to the A. O. U. Check-List, to include 

 the species and subspecies added since the publication of the Check- 

 List, and the eliminatiqns and changes in nomenclature thus far 

 found necessary, and also to publish an abridged edition of the 

 Check-List with the additions and changes made in the Supplement 

 interpolated in their proper places, this abridged edition to contain 

 only the scientific names, English names, concordance, and current 

 numbers. 



The labor of re\-ising the status of the species and subspecies 

 added or eliminated, and the emendations of nomenclature pro- 

 posed since the publication of the A. O. U. Code and Check-List, 

 was delegated to the Committee on Publication, Avith instructions 

 to publish the results of its work in the way above indicated, at 

 the earliest practicable date. Immediately after the adjournment of 

 the Union the Committee held several meetings, the results of which 

 will be given in full in the Supplement. The additions and changes 

 agreed to by the Committee are embodied in the present abridged 

 Check-List. In making the necessary interpolations the Committee 

 has been governed by the following recommendation contained in 

 the Code (p. 14, Section 4): 



