43 



May 16th. Glamorgan (nest with eggs). Pentland 

 Skerries (passing). 

 ,, 17th. Cumberland (increase), 



„ 18th. Yorkshire (increase). Derby (nest with 



eggs). 

 „ 19th. Yorkshire (decrease), (building). 

 „ 20th. Lancashire (usual numbers). 

 „ 29th. Yorkshire (increase). 



d:^ 



