A Cooperative Study of Bird Migration 



273 



HOUSE WREN 



First seen 



Atlantic Coast District. 



Berwyn, Pa 



Andover, N. J 



Bernardsville, N. J 



Port Chester, N. Y 



New Haven, Conn., and vie. 



Orient, L. I., N. Y 



Waterbury, Conn 



Providence, R. I., and vie... 

 Cambridge, Mass., and vie. 



Bournedale, Mass 



Norway, Me 



Nova Scotia 



April 22 

 April 29 

 May 7 

 April 24 

 May 4 

 May 4 

 May 4 

 May 16 

 May 16 

 not seen 

 Seen only 

 Accidental 



Hudson and Champlain Valleys 



HydePark, N. Y I May 4 



Rhinebeck, N. Y ! May 2 



Clarendon, Vt I None seen 



St. Albans, Vt None; som 



Ohio Valley. 



Urbana, 111 '. . . . . 



Marco, Ind 



Have seen House Wrens 



Huron, Ohio 



Detroit, Mich 



Pittsburgh, Pa., and vicinity 

 Southwestern New York.. . . 

 Reaboro, Ont 



Mississippi Valley. 



Concordia, Mo 



Wash. Park, Springfield, 111. 



Iowa City, Iowa 



Zuma Twp., Rock I. Co. ,111. 



Rockford, 111 



Atlantic, Iowa 



Lauderdale Lakes, Wis 



Breeds regularly but neve 



Viroqua, Wis 



Milwaukee, Wis 



Madison, Wis 



Reedsburg, Wis 



Newberry, Mich 



Lincoln Co., S. D 



Fargo, N. D 



April 18 

 April 21 

 here but th 

 April 20 

 April 26 

 April 21 

 April 28 

 May 3 



April 23 

 April 22 

 April 19 

 April 25 

 April 26 

 April 26 

 May I 

 common 

 April 6 

 April 27 

 April 27 

 April 26 

 May 15 

 May 4 

 May 17 



Number 



in 1911 



I 

 2 

 ree times 



Next seen 



Number 



April 23 

 April 30 

 May 8 

 April 25 

 May 5 

 very rare a 

 May 7 



2 

 I 



2 



I 



nd irregul 

 2 



May 17 



3 



May 6 

 May 3 



3 

 S 



one or two 





April 23 

 April 22 



I 

 2 



April 23 

 April 27 

 April 22 

 April 30 

 May 10 



I 

 3 

 4 

 3 



I 



April 26 

 April 23 

 April 20 

 April 26 

 April 27 

 April 27 

 May 13 



2 

 2 

 2 

 6 

 I 

 I 

 I 



April 8 

 April 29 

 April 28 

 May I 

 May 16 

 May 5 

 May 18 



I 



3 

 I 

 I 



I 



50 



I 



Becomes 

 common 



April 28 

 May I 

 May 8 

 May I 

 May 7 

 ar trans. 

 May 9 

 rare 

 May 17 



May 8 

 May 4 



April 26 



April 26 

 May 2 

 April 23 

 May 6 

 May 24 



April 29 

 April 28 

 April 23 

 April 26 

 April 29 

 May I 



April 20 

 May 2 

 May 7 

 May 4 

 May 18 

 May 4 

 May 20 



BALTIMORE ORIOLE 





First seen 



Number 



Next seen 



Number 



Becomes 

 common 



Atlantic Coast District. 



Berwyn, Pa 



May 6 

 May 2 

 May 4 

 April 27 



I 



I 



2 



I 



May 7 

 May 3 

 May 7 

 April 28 



I 



2 



I 



May 9 



Andover, N.J 



May 5 



Bernardsville, N. J 



Port Chester, N. Y 



May 13 

 May 8 







