42 



PROCEEDINGS OP THE 



Chimney Swift. 



April 8. Mediii. 



April 11. Kennett Square. 



April 12. Haverford and Rad- 

 nor. 



April 14. Moorestown and Pen- 

 sauken. 



April 15. Tacony. 



April 17. Frankford. 



April 18. Four stations. 



April 19. Four stations. 



April 20. Six stations. 



April 21. Six stations. 

 Ovenhird. 



April 28. Four stations. 



April 29. Eleven stations. 



April 30. Four stations. 



May 1. Four stations. 



May 2. Six stations. 



Wood Thrmh. 



April 25. Frankford. 



April 28. Four stations. 



April 29. Eleven stations. 



A])ril 30. Five stations. 



May 1. Eight stations. 



Making comparisons for the past four years on this plan, we 

 get the following interesting results; the dates in parentheses 

 indicating the arrival of the earliest straggler, the other dates 

 the time of bulk arrival. 



Chimney Swift. 



1903 (April 12), April 19-20. 



1904 (April 15), April 24-25. 



1905 (April 13), April 20-21. 



1906 (April 8), April 18-21. 



Ovenbii'd. 



1903 (April 27), April 29-30. 



1904 (April 22), April 30- 

 May 1. 



1905 (April 25), April 29-30. 



1906 (April 28), April 29- 

 May 2. 



Scarlet Tanager. 



1903 (April 25), May 6. 



1904 (April 30), May 6. 



1905 (April 21), May 3-7. 



1906 (April 25), May 1-5. 



Wood Thrush. 



1903 (April 23), April 30- 

 May 2. 



1904 (April 22), April 29- 

 May 1. 



1905 (April 23), April 28-30. 



1906 (April 25), April 28- 



May 1. 

 The tables of spring arrivals follow. 



